Functional differential equationsSee also what's at Wikipedia, your library, or elsewhere.
Broader terms:Used for: Differential equations, Functional

Filed under: Functional differential equations
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Filed under: Differential equations Elementary Differential Equations (free online edition, 2013), by William F. Trench (PDF and LaTeX at trinity.edu)
 Elementary Differential Equations With Boundary Value Problems (free online edition, 2013), by William F. Trench (PDF and LaTeX at trinity.edu)
 Notes on Diffy Qs: Differential Equations for Engineers (online edition, c2013), by Jiří Lebl (illustrated HTML and PDF with commentary at jirka.org)
 Student Solutions Manual for Elementary Differential Equations and Elementary Differential Equations With Boundary Value Problems (free online edition, originally published 2000), by William F. Trench (PDF at trinity.edu)
 The Hopf Bifurcation and Its Applications (1976), by Jerrold E. Marsden and Marjorie McCracken (PDF files at Caltech)
 Linearization via the Lie Derivative (EJDE monograph #2, 2000), by Carmen Charles Chicone and Richard Swanson (PDF with commentary at ams.org)
 Numerical Methods and Modeling for Chemical Engineers (New York et al.: Wiley, c1984), by Mark E. Davis (PDF files at Caltech)
 Differential Equations From the Algebraic Standpoint (American Mathematical Society Colloquium Publications v14; 1932), by Joseph Fels Ritt (page images at HathiTrust)
 Détermination des Invariants Ponctuels de l'Equation Differentielle Ordinaire du Second Ordre y'' = w(x,y,y') (in French, with some German front matter; Leipzig: S. Hirzel, 1896), by Arthur Tresse (page images at HathiTrust)
 Differential Equations (New York: John Wiley and Sons, 1922), by H. B. Phillips (PDF at djm.cc)
 Four Lectures on Mathematics Delivered at Columbia University in 1911, by Jacques Hadamard (page images at Cornell)
 Ordinary Differential Equations: An Elementary TextBook (London and New York: Macmillan, 1897), by James Morris Page (page images at Cornell)
 A Treatise on Differential Equations, by Andrew Russell Forsyth (page images at Cornell)
 A Treatise on Differential Equations, and on the Calculus of Finite Differences, by J. Hymers (page images at Cornell)
 An Introduction to the Lie Theory of OneParameter Groups, by Abraham Cohen (page images at Cornell)
 The Logarithmic Potential: Discontinuous Dirichlet and Neumann Problems (American Mathematical Society Colloquium Publications v6; 1927), by Griffith Conrad Evans (page images at HathiTrust)
Filed under: Differential equations  Periodicals
Filed under: Differential equations  Problems, exercises, etc.
Filed under: Boundary value problems
Filed under: Calculus, Integral
Filed under: Continuous groupsFiled under: Differentiable dynamical systemsFiled under: Differential algebraFiled under: Differential equations, EllipticFiled under: Differential equations, LinearFiled under: Differential equations, NonlinearFiled under: Differential equations, PartialFiled under: Differential operatorsFiled under: Evolution equationsFiled under: Functions Handbook of Mathematical Functions, With Formulas, Graphs, and Mathematical Tables (10th printing, with corrections, 1972), ed. by Milton Abramowitz and Irene A. Stegun (page images at sfu.ca)
 Theory of Functions (New York: King's Crown Press, 1946), by Joseph Fels Ritt (page images at HathiTrust)
 Functions of a Complex Variable, by Thomas Scott Fiske (page images at Cornell)
 Functions of a Complex Variable, by E. J. Townsend (page images at Cornell)
 Introduction to a Form of General Analysis (New Haven: Yale University Press, 1910), by Eliakim Hastings Moore, E. J. Wilczynski, and Max Mason (page images at HathiTrust)
 Introduction to the Theory of Analytic Functions, by James Harkness and Frank Morley (page images at Cornell)
 A Treatise on the Theory of Functions, by James Harkness and Frank Morley (frame and JavaScriptdependent page images at Cornell)
 Interpolation and Approximation by Rational Functions in the Complex Domain (American Mathematical Society Colloquium Publications v20, second edition; 1956), by J. L. Walsh (page images at HathiTrust)
 Introduction to Infinitesimal Analysis, by Oswald Veblen and N. J. Lennes (page images at Cornell)
 An Introduction to the Study of the Elements of the Differential and Integral Calculus, by Axel Harnack, trans. by George L. Cathcart (page images at Cornell)
 Sets, Relations, Functions, by Ivo Düntsch and Günther Gediga (PDF with commentary at Brock)
 A Course of Modern Analysis: An Introduction to the General Theory of Infinite Processes and of Analytic Functions; With an Account of The Principal Transcendental Functions (second edition; Cambridge, UK: At the University Press, 1915), by E. T. Whittaker and G. N. Watson (multiple formats at archive.org)
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