@article{ASENS_1870_1_7__7_0,
     author = {Collet},
     title = {Int\'egration des \'equations simultan\'ees aux d\'eriv\'ees partielles du premier ordre d'une seule fonction},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {7--57},
     publisher = {Elsevier},
     volume = {1e s{\'e}rie, 7},
     year = {1870},
     doi = {10.24033/asens.64},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.64/}
}