@article{BSMF_1902__30__208_0, author = {Hadamard, J.}, title = {Sur une classe d'\'equations diff\'erentielles}, journal = {Bulletin de la Soci\'et\'e Math\'ematique de France}, pages = {208--220}, publisher = {Soci\'et\'e math\'ematique de France}, volume = {30}, year = {1902}, doi = {10.24033/bsmf.674}, language = {fr}, url = {http://www.numdam.org/articles/10.24033/bsmf.674/} }