@article{JMPA_1931_9_10__415_0,
     author = {Montel, Paul},
     title = {Sur les solutions lin\'eairement ind\'ependantes des \'equations aux d\'eriv\'ees partielles},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {415--438},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 10},
     year = {1931},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1931_9_10__415_0/}
}