@article{JMPA_1900_5_6__423_0,
     author = {Lindel\"of, Ernst},
     title = {D\'emonstration de quelques th\'eor\`emes sur les \'equations diff\'erentielles},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {423--441},
     publisher = {Gauthier-Villars},
     volume = {5e s{\'e}rie, 6},
     year = {1900},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1900_5_6__423_0/}
}