Books by Rolf Leis:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Leis, Rolf: The influence of edges and corners on potential functions of surface layers (Washington D. C. : Mathematics Division, Office of Scientific Research, U.S. Air Force, 1959., 1959), also by United States. Air Force. Office of Scientific Research, Courant Institute of Mathematical Sciences. Division of Electromagnetic Research, and Courant Institute of Mathematical Sciences (page images at HathiTrust)- Leis, Rolf: On the Dirichlet Problem for the reduced wave equation (Washington D. C. : Mathematics Division, Office of Scientific Research, U.S. Air Force, 1959., 1959), also by Courant Institute of Mathematical Sciences. Division of Electromagnetic Research, United States. Air Force. Office of Scientific Research, and Courant Institute of Mathematical Sciences (page images at HathiTrust)
Find more by Rolf Leis at your library, or elsewhere.