@article{AFST_1903_2_5_4_405_0, author = {\'E. Goursat}, title = {Sur un probl\`eme relatif \`a la th\'eorie des \'equations aux d\'eriv\'ees partielles du second ordre}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {405--436}, publisher = {Gauthier-Villars, Imprimeur-\'Editeur}, address = {Paris}, volume = {2e s{\'e}rie, 5}, number = {4}, year = {1903}, doi = {10.5802/afst.209}, language = {fr}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.209/} }