@article{ASENS_1906_3_23__429_0,
     author = {Goursat, \'Etienne},
     title = {Sur les int\'egrales infiniment voisines des \'equations aux d\'eriv\'ees partielles},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {429--501},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 23},
     year = {1906},
     doi = {10.24033/asens.571},
     mrnumber = {1509073},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.571/}
}