Project Gutenberg 2009-08-24 Public domain in the USA. 99 Hadamard, Jacques 1865 1963 Hadamard, Jacques Salomon Hadamard, J. (Jacques) 16002196 Four Lectures on Mathematics, Delivered at Columbia University in 1911 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. en Differential equations QA Text Mathematics 469516 2009-08-24T15:59:56 application/pdf 10299 2025-07-12T09:14:34.513388 application/rdf+xml 181118 2021-06-11T17:20:14 application/prs.tex 24715 2025-07-12T09:14:34.446390 image/jpeg 4595 2025-07-12T09:14:34.205398 image/jpeg 387604 2009-08-24T15:59:57 application/octet-stream application/zip 159005 2021-06-11T17:20:14 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia