01050cam a2200205 4500 348273482 TxAuBib 20150607120000.0 090824s2009||||||||||||||||||||||||eng|u 29788 Project Gutenberg PGUSA eng TxAuBib Hadamard, Jacques, 1865-1963. Four Lectures on Mathematics, Delivered at Columbia University in 1911 [Gutenberg] / Jacques Hadamard. Project Gutenberg, 2009. 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. Freely available. Electronic text. Differential equations. http://www.gutenberg.org/ebooks/29788 http://www.gutenberg.org/license Rights