TY  - BOOK
AU  - Hadamard,Jacques
TI  - Four Lectures on Mathematics, Delivered at Columbia University in 1911
AV  - QA 
PY  - 2009///
CY  - Salt Lake City, UT
PB  - Project Gutenberg
KW  - Differential equations
N1  - Release date is 2009-08-24; I. The definition of solutions of linear partial differential equations by boundary conditions -- II. Contemporary researches in differential equations, integral equations, and integro-differential equations -- III. Analysis situs in connection with correspondences and differential equations -- IV. Elementary solutions of partial differential equations and Green's functions; Original publication data not identified
UR  - https://www.gutenberg.org/ebooks/29788
ER  -