@article{AFST_1891_1_5_2_B41_0, author = {W. De Tannenberg}, title = {Sur les \'equations aux d\'eriv\'ees partielles du premier ordre}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {B41--B150}, publisher = {Gauthier-Villars et Fils, Imprimeurs-Libraires}, address = {Paris}, volume = {1e s{\'e}rie, 5}, number = {2}, year = {1891}, doi = {10.5802/afst.64}, language = {fr}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.64/} }