@article{AFST_1904_2_6_2_117_0,
     author = {\'E. Goursat},
     title = {Sur un probl\`eme relatif \`a la th\'eorie des \'equations aux d\'eriv\'ees partielles du second ordre (second m\'emoire)},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {117--144},
     publisher = {\'Ed. Privat, Imprimeur-Libraire},
     address = {Toulouse},
     volume = {2e s{\'e}rie, 6},
     number = {2},
     year = {1904},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1904_2_6_2_117_0/}
}