@article{JMPA_1841_1_6__448_0,
     author = {Liouville, J.},
     title = {Sur une classe d'\'equations diff\'erentielles},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {448--448},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 6},
     year = {1841},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1841_1_6__448_0/}
}