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Fourier analysis

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• Mathematical analysis

• Fourier analysis -- Data processing
• Fourier analysis -- Ionosphere
• Fourier analysis -- Periodicals
• Biorthogonal systems
• Fourier integral operators
• Fourier series
• Fourier transformations
• Functions, Orthogonal
• Orthogonal polynomials

• Analysis, Fourier

• Albert Michelson's Harmonic Analyzer: A Visual Tour of a Nineteenth Century Machine That Performs Fourier Analysis (2014), by Bill Hammack, Steve Kranz, and Bruce Carpenter (PDF with commentary at engineerguy.com)
• Fast Fourier Transforms (2012), ed. by C. S. Burrus (multiple formats at archive.org)
• Chebyshev and Fourier Spectral Methods (second edition), by John P. Boyd (PDF with commentary at Citeseer)
• Ueber die nach Kreis-, Kugel- und Cylinder-Functionen fortschreitenden Entwickelungen : unter durchgängiger Anwendung des Du Bois-Remond'schen Mittelwerthsatzes (B. G. Teubner, 1881), by Carl Neumann (page images at HathiTrust)
• An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics : with applications to problems in mathematical physics (Ginn & Co., 1895), by William Elwood Byerly (page images at HathiTrust)
• An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics. (Ginn & company, 1902), by William Elwood Byerly (page images at HathiTrust)
• On the measurement of the dynamic properties of the steam void fraction in boiling water channels (Argonne National Laboratory, 1961), by Ahti Tapio Eurola, U.S. Atomic Energy Comission, and Argonne National Laboratory. Reactor Engineering Division (page images at HathiTrust)
• Equations for the study of the energetics of the larger scales of atmospheric turbulence (Massachusetts Institute of Technology, Dept. of Meteorology, 1956), by Barry Saltzman, Air Force Cambridge Research Center (U.S.). Geophysics Research Directorate, Massachusetts Institute of Technology. General Circulation Project, and Massachusetts Institute of Technology. Dept. of Meteorology (page images at HathiTrust)
• Program for the analysis of time series (National Aeronautics and Space Administration ;, 1974), by Thomas J. Brown, Jay C. Hardin, and Christine G. Brown (page images at HathiTrust)
• NASA TN D-5883 (National Aeronautics and Space Administration :, 1970), by Willard E. Meador, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Retrieval of dispersive and convective transport phenomena in fluids using stationary and nonstationary time domain analysis (National Aeronautics and Space Administration ;, 1973), by J. Briscoe Stephens, Robert M. St. John, United States National Aeronautics and Space Administration, and George C. Marshall Space Flight Center (page images at HathiTrust)
• Improved methods of performing coherent optical correlation (National Aeronautics and Space Administration, 1972), by Akram S. Husain-Abidi, Goddard Space Flight Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Ueber die Entwickelung einer Function mit imaginärem Argument nach den Kugelfunctionen erster und zweiter art (H. W. Schmidt, 1862), by Carl Neumann (page images at HathiTrust)
• A two-signal primer for Fourier analysis of a random access communication system (Institute for Telecommunication Sciences ;, 1970), by M. Nesenbergs, Institute for Telecommunication Sciences, and United States. Environmental Science Services Administration (page images at HathiTrust)
• Applications of Von Karman's integral method in supersonic wing theory (National Advisory Committee for Aeronautics, 1951), by Chieh-Chien Chang and United States. National Advisory Committee for Aeronautics (page images at HathiTrust)
• Die funktion des parabolischen cylinders. (Cüstrin, 1883), by Karl Baer (page images at HathiTrust)
• Les fonctions quasi-périodiques ... (Gauthier-Villars, 1904), by Ernest Esclangon (page images at HathiTrust)
• Pulse sounding with closely spaced receivers as a tool for measuring atmospheric motions and fine structure in the ionosphere : I. critical remarks about the correlation analysis of fading records. (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1968., 1968), by W. Pfister, K. Bibl, and Air Force Cambridge Research Laboratories (U.S.). Ionospheric Physics Laboratory (page images at HathiTrust)
• Fourier analysis and compensation of stagger errors of semikinematic theodolite axes (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1970., 1970), by Tibor Farkas and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• On the Universal Crystallographic Computation Program System, (II) the 5020 UNICS (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1970., 1970), by Tosio Sakurai, Mitoyoko Fukuhara, Yasunari Watanabe, Hitoshi Iwasaki, Tetsuzo Ito, and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Pulse sounding with closely spaced receivers as a tool for measuring atmospheric motions and fine structure in the ionosphere : VIII. Application to aircraft signals (Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, 1975), by W. Pfister, Gary S. Sales, and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Pulse sounding with closely spaced receivers as a tool for measuring atmospheric motions and fine structure in the ionosphere. [Part] VI, Spectral analysis of interlaced sets of data (Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, 1974), by W. Pfister and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Fourier analysis of non-periodic pulses on automatic computers (Washington, D.C. : National Bureau of Standards, 1956., 1956), by H. Herbert Howe, Boulder Laboratories (U.S.), Central Radio Propagation Laboratory (U.S.), United States. National Bureau of Standards, and U.S. Atomic Energy Commission (page images at HathiTrust)
• The application of the scale autocorrelation coefficient to the determination of the harmonic content of periodic phenomena - a meteorological and a geophysical example (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1972., 1972), by Victor L. Corbin, Antonio F. Quesada, H. E. Moses, and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Théorèmes généraux sur l'attraction des corps. (Paris, 1845), by M. Chasles and Joseph Liouville (page images at HathiTrust)
• Research on Applications in Fourier Analysis. / K. Chandrasekharan, Institute for Advanced Study, Princeton, New Jersey. ([Washington, D.C.] : Air Force Office of Scientific Research, Air Research and Development, United States Air Force, 1955., 1955), by K. Chandrasekharan, N.J.) Institute for Advanced Study (Princeton, and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Some probabilistic theorems on diophantine approximations ([Washington, D.C.] : [Air Force Office of Scientific Research], 1961., 1961), by Harry Kesten, United States. Air Force. Office of Scientific Research, and Universi©øtah ha-℗ʻIvrit bi-Yerushalayim (page images at HathiTrust)
• The Conjugate Fourier-Stieltjes integral in the plane (Washington, D.C. : Mathematical Sciences Directorate, Air Force Office of Scientific Research, 1958., 1958), by Victor L. Shapiro and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Classes of biorthonormal systems (Washington D. C. : Air Research and Development Command, Office of Scientific Research, U.S. Air Force, 1960., 1960), by Jacob Steinberg and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Asymptotic solutions of dipoles in a semi-infinite medium (L.G. Hansom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1965., 1965), by Kondagunta U. Sivaprasad and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Hilbert transform in Fourier spectroscopy (L.G. Hanscom Field, Massachusetts : Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1966., 1966), by Hajime Sakai, George A. Vanasse, and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• A singular differential boundary problem (Wright-Patterson Air Force Base, Ohio : Wright Air Development Center, Air Research and Development Command, United States Air Force, 1959., 1959), by David A. Shotwell, Wright Air Development Center, and United States. Air Force. Air Research and Development Command (page images at HathiTrust)
• Modal investigation of lightweight aircraft structures using digital techniques (Wright-Patterson Air Force Base, Ohio : Air Force Flight Dynamics Laboratory, Air Force Wright Aeronautical Laboratories, Air Force Systems Command, United States Air Force, 1977., 1977), by Robert W. Gordon, Richard D. Talmadge, H. F. Wolfe, Air Force Flight Dynamics Laboratory (U.S.), and United States. Air Force. Systems Command (page images at HathiTrust)

• Computer program to perform Fourier analysis of x-ray data (Denver, Colorado : Dow Chemical Company, Rocky Flats Plant ; Washington, D.C : Office of Technical Services, Department of Commerce, 1963., 1963), by C. L. Bell, G. R. Mallett, A. Goodwin, U.S. Atomic Energy Commission, and Dow Chemical Company. Rocky Flats Division (page images at HathiTrust)

• Atlas of Fourier coefficients of diurnal variation of foF2. Part II, Distribution of amplitude and phase (Boulder, Colo. : National Bureau of Standards, 1965., 1965), by William B. Jones, Roger M. Gullet, and United States. National Bureau of Standards (page images at HathiTrust)

• International Journal of Analysis and Applications (2013-) (partial serial archives)

• Geometrical characterizations of biorthogonal basis systems in a Banach space (Washington, D.C. : United States Air Force, Office of Scientific Research, 1957., 1957), by R. E. Fullerton, United States. Air Force. Office of Scientific Research, and Md.). Department of Mathematics University of Maryland (College Park (page images at HathiTrust)

• The Conjugate Fourier-Stieltjes integral in the plane (Washington, D.C. : Mathematical Sciences Directorate, Air Force Office of Scientific Research, 1958., 1958), by Victor L. Shapiro and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Effect of contact surface bluntness on massive blowing from a wedge in hypersonic flow (Los Angeles, California : Space Systems and Ballistic Systems Divisions, Los Angeles Air Force Station, Air Force Systems Command, United States Air Force, 1966., 1966), by George Emanuel, United States. Air Force. Systems Command. Space Systems Division, and Aerospace Corporation (page images at HathiTrust)

• Fourier Series and Orthogonal Polynomials (Carus Mathematical Monograph #6; c1941), by Dunham Jackson (page images at HathiTrust)
• Atlas of Fourier coefficients of diurnal variation of foF2. (Distributed by U.S. Dept. of Commerce, Office of Technical Services, 1962), by William B. Jones (page images at HathiTrust)
• Introduction to the theory of Fourier's series and integrals (Dover Publications, 1930), by H. S. Carslaw (page images at HathiTrust)
• Vorlesungen über bestimmte integrale und die Fourierschen reihen (B.G. Teubner, 1908), by J. Thomae (page images at HathiTrust; US access only)
• The theory of functions of a real variable and the theory of Fourier's series (University Press, 1907), by Ernest William Hobson (page images at HathiTrust)
• The theory of functions of a real variable and the theory of Fourier's series (The University Press, 1926), by Ernest William Hobson (page images at HathiTrust)
• Trigonometric interpolation. (University of Chicago, 1950), by Antoni Zygmund (page images at HathiTrust)
• Topics in Fourier analysis. Lectures 1958-1959 [University of Washington] ([Seattle], 1959), by Edwin Hewitt (page images at HathiTrust)
• Sviluppo di funzioni in serie doppie trigonometriche. (G. Camp, 1907), by E. Carosi (page images at HathiTrust)
• Introduction to the theory of Fourier's series and integrals (Macmillan and co., limited, 1921), by H. S. Carslaw (page images at HathiTrust)
• An elementary treatise on Fourier's series, and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics. (Dover Publications, 1959), by William Elwood Byerly (page images at HathiTrust)
• An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics. (Ginn & company, 1893), by William Elwood Byerly (page images at HathiTrust)
• An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics : with applications to problems in mathematical physics (Ginn & Co., 1895), by William Elwood Byerly (page images at HathiTrust)
• An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics. (Ginn & company, 1902), by William Elwood Byerly (page images at HathiTrust)
• Introduction to Fourier series and boundary value problems (Edwards Brothers, Inc., 1938), by Ruel V. Churchill (page images at HathiTrust)
• Serie di Fourier e altre rappresentazioni analitiche delle funzioni di una variabile reale. (Pisa, 1880), by Ulisse Dini (page images at HathiTrust)
• A practical treatise on Fourier's theorem and harmonic analysis for physicists and engineers (Longmans, Green and co., 1925), by Albert Eagle (page images at HathiTrust)
• Leçons sur les séries trigonométriques (Gauthier-Villars, 1906), by Henri Lebesgue (page images at HathiTrust)
• Darstellung ganz willkürlicher Functionen durch Sinusreihen und Cosinusreihen (W. Engelmann, 1900), by Heinrich Liebmann, Philipp Ludwig Seidel, and Peter Gustav Lejeune Dirichlet (page images at HathiTrust)
• On the represenation of a function by a trigonometric series ... (Press of the Friedenwald Company, 1894), by Edward Payson Manning (page images at HathiTrust)
• The theory of functions of a real variable and the theory of Fourier's series. (Dover Publications, 1957), by Ernest William Hobson (page images at HathiTrust)
• Fourier integrals for practical applications (Bell telephone laboratories], 1931), by George Ashley Campbell and Ronald Martha Foster (page images at HathiTrust)
• Application of double Fourier series to the calculation of stresses caused by pure bending in a circular monocoque cylinder with a cut-out (The Polish Institute of Arts and Sciences in America, 1946), by Zbigniew Krzywoblocki and Polish Institute of Arts and Sciences in America (page images at HathiTrust)
• Repertorium der physik. (Veit & comp., 1837), by Ludwig Ferdinand Moser and Heinrich Wilhelm Dove (page images at HathiTrust)
• Principles and techniques of shock data analysis (Shock and Vibration Information Center, U.S. Dept. of Defense, 1971), by Ronald D. Kelly, George Richman, and Shock and Vibration Information Center (page images at HathiTrust)
• Œuvres de Fourier. (Gauthier-Villars et fils, 1888), by Jean-Baptiste-Joseph Fourier, Gaston Darboux, France. Ministère de l'éducation nationale, and France. Ministère de l'éducation nationale (page images at HathiTrust)
• Œuvres (Gauthier-Villars, 1888), by Jean Baptiste Joseph Fourier (page images at HathiTrust)
• Analytische Untersuchungen im Gebiete der trigonometrischen Reihen und der Fourier'schen Integrale (L. Nebert, 1885), by Otto Beau (page images at HathiTrust)
• Vorlesungen über bestimmte integrale und die Fourierschen reihen (B.G. Teubner, 1908), by J. Thomae (page images at HathiTrust; US access only)
• Introduction to the theory of Fourier's series and integrals and the mathematical theory of the conduction of heat (Macmillan and co.,limited;, 1906), by H. S. Carslaw (page images at HathiTrust)
• Cesàro's summabilitetsmetode med anvendelse paa Fourier'ske og Dirichlet'ske raekker. (København, 1919), by A. F. Andersen, Johannes Mollerup, Harald August Bohr, and Copenhagen Matematisk forening (page images at HathiTrust; US access only)
• The theory of functions of a real variable and the theory of Fourier's series. (The University Press, 1921), by Ernest William Hobson (page images at HathiTrust)
• Serie di Fourier e altre rappresentazioni analitiche delle funzioni di una variabile reale. (T. Nistri, 1880), by Ulisse Dini (page images at HathiTrust)
• Introduction to the theory of Fourier's series and integrals. (Macmillan, 1921), by H. S. Carslaw (page images at HathiTrust)
• Vorlesungen über die Differenzialrechnung. (G. C. E. Meyer, 1836), by Augustin Louis Cauchy (page images at HathiTrust)
• On fluctuating functions (Graisberry and Gill, 1842), by William Rowan Hamilton (page images at HathiTrust)
• Studies in statistical representation : Statistical application of the Fourier series (illustrated by the analysis of rates of marriage, temperature, suicide, etc.) (F.W. White, 1911), by G. H. Knibbs (page images at HathiTrust)
• A geometrically nonlinear analysis of arbitrarily loaded shells of revolution (National Aeronautics and Space Administration, 1968), by R. E. Ball (page images at HathiTrust; US access only)
• Plane-stress analysis of an edge-stiffened rectangualar plate, taking into account bending and shear stiffness of the stiffeners (National Aeronautics and Space Administration, 1968), by Yu-wen Hsu and Charles Libove (page images at HathiTrust; US access only)
• Theoretical pressure distributions over arbitrarily shaped periodic waves in subsonic compressible flow, and comparison with experiment (National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1970), by K. R. Czarnecki and Mary W. Jackson (page images at HathiTrust; US access only)
• Transient heat conduction in finite slabs with position-dependent heat generation (National Aeronautics and Space Administration ;, 1967), by Roy W. Miller and Lewis Research Center (page images at HathiTrust)
• NASA TN D-6403 (National Aeronautics and Space Administration ;, 1971), by Edwin G. Wintucky, Lewis Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Mathematical studies of galvanic corrosion. Part III, Effects of polarization (Los Alamos Scientific Laboratory of the University of California, 1952), by James T. Waber, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Numerical solutions and applications of the fold integral (Los Alamos Scientific Laboratory of the University of California, 1962), by H. Jerry Longley, U.S. Atomic Energy Commission, and Los Alamos Scientific Laboratory (page images at HathiTrust)
• An elemenatary treatise on Fourier's series, and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics. (Dover Publicatiions, 1893), by William Elwood Byerly (page images at HathiTrust)
• Introduction to the theory of Fourier's series (Cambridge, Mass., 1906), by Maxime Bôcher (page images at HathiTrust)
• Mathematical studies on galvanic corrosion. Part I, Coplanar electrodes with negligible polarization (Los Alamos Scientific Laboratory of the University of California, 1953), by James T. Waber, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Essai sur la sommation de quelques séries trigonométriques. (L. Frémont, 1903), by E. Estanave (page images at HathiTrust; US access only)
• Beiträge zum studium der randwertaufgaben, von C. Neumann ... Mit 59 figuren im text. (B. G. Teubner, 1920), by Carl Neumann (page images at HathiTrust)
• Fourier synthesis of crystals and their application in chemistry. (USAEC Division of Technical Information Extension; Available from the Office of Technical Services, Dept. of Commerce, Washington, D. C., 1962), by Werner Nowacki (page images at HathiTrust; US access only)
• A numerical procedure for shock and Fourier analysis : June 5, 1962. (U.S. Naval Rresearch Laboratory :, 1962), by G. J. O'hara (page images at HathiTrust)
• Fourier series on spheres : a geometric perspective (Hanscom AFB, Massachusetts : Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, 1980., 1980), by Samuel Y. K. Yee and U.S. Air Force Geophysics Laboratory (page images at HathiTrust)
• Double Fourier series solution of Poisson's equation on a sphere (Hanscom AFB, Massachusetts : Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, 1980., 1980), by Samuel Y. K. Yee and U.S. Air Force Geophysics Laboratory (page images at HathiTrust)
• Tables for harmonic synthesis, giving the terms of Fourier series to one decimal at every millicycle tabulated for coefficients 1 to 100, and fiducial cosine values to eight decimals (Crystallographic Laboratory of the Johns Hopkins Univ., 1948), by J. D. H. Donnay and G. E. Hamburger (page images at HathiTrust)
• Application of double Fourier series to computing gravity anomalies and other gravimetric quantities at higher elevations, starting from given surface gravity anomalies (Ohio State University Research Foundation, 1959), by Chūji Tsuboi, Photogrammetry and Cartography Ohio State University. Institute of Geodesy, and Air Force Cambridge Research Center (U.S.) (page images at HathiTrust)
• Applications of Fourier series for computing gravity anomalies and other gravimetric quantities at any elevation from surface gravity anomalies (Ohio State University Research Foundation, 1959), by Chūji Tsuboi, Air Force Cambridge Research Center (U.S.), and Photogrammetry and Cartography Ohio State University. Institute of Geodesy (page images at HathiTrust)
• Deflections of rectilinear plates under uniform normal loads (Washington D. C. : Mathematics Division, Office of Scientific Research, U.S. Air Force, 1955., 1955), by R. J. Oedy, H. J. Weiss, Iowa State College of Agriculture and Mechanic Arts, and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• The absolute convergence of certain lacunary Fourier series (Washington D. C. : Air Research and Development Command, Office of Scientific Research, U.S. Air Force, 1960., 1960), by Siobhan O'Shea and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Uniqueness of multiple trigonometric series (Washington, D.C. : Air Force Office of Scientific Research, Mathematics Division, 1957., 1957), by Victor L. Shapiro, United States. Air Force. Office of Scientific Research, and Rutgers University (page images at HathiTrust)
• On the Coefficients in certain fourier series ([Washington, D.C.] : [United States Air Force, Office of Scientific Research], [1958], 1958), by P. B. Kennedy, United States. Air Force. Office of Scientific Research, and University College, Cork (page images at HathiTrust)
• The Divergence of trigonometric series ([Washington, D.C.] : [United States Air Force, Office of Scientific Research], [1958], 1958), by P. B. Kennedy, University College, Cork, United States. Air Force. Office of Scientific Research, and Siobhan O'Shea (page images at HathiTrust)
• The Conjugate Fourier-Stieltjes integral in the plane (Washington, D.C. : Mathematical Sciences Directorate, Air Force Office of Scientific Research, 1958., 1958), by Victor L. Shapiro and United States. Air Force. Office of Scientific Research (page images at HathiTrust)
• Ueber die entwicklung der doppelt periodishen funktioenen in doppelt unendlische Fourier'sche reihen . (Buchdrucherei C & J. Goeller, 1896), by Franz Jacob Balthasae Jahn (page images at HathiTrust)
• OEuvres de Fourier. (Gauthier-Villars et fils, 1888), by Jean-Baptiste-Joseph Fourier, Gaston Darboux, and France. Ministère de l'éducation nationale (page images at HathiTrust)
• On pulse shapes suitable for flight tests (Wright-Patterson Air Force Base, Ohio : Wright Air Development Center, Air Research Development and Command, United States Air Force, 1958., 1958), by Furman. Jr Stout, United States. Air Force. Air Research and Development Command, and Wright Air Development Center (page images at HathiTrust)
• Short duration harmonic analysis of EEG data (Wright-Patterson Air Force Base, Ohio : Aero Medical Laboratory, Wright Air Development Center, Air Research and Development Command, United States Air Force, 1959., 1959), by Ezra S. Krendel, Wright Air Development Center, United States. Air Force. Air Research and Development Command, Pa.). Laboratories for Research and Development Franklin Institute (Philadelphia, and Aerospace Medical Laboratory (U.S.) (page images at HathiTrust)
• Leçons sur les séries trigonométriques professées au Collège de France (Gauthier-Villars, 1906), by Henri Lebesgue (page images at HathiTrust; US access only)
• An Elementary Treatise on Fourier's Series and Spherical, Cylindrical, and Ellipsoidal Harmonics: With Applications to Problems in Mathematical Physics, by William Elwood Byerly (Gutenberg ebook)

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