@article{AFST_1902_2_4__299_0,
     author = {Goursat, \'E.},
     title = {Sur quelques transformations des \'equations aux d\'eriv\'ees partielles},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {299--340},
     publisher = {\'Ed. Privat, Imprimeur Libraire},
     address = {Toulouse},
     volume = {2e s{\'e}rie, 4},
     year = {1902},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/AFST_1902_2_4__299_0/}
}