@article{ASENS_1891_3_8__341_0,
     author = {Cels, Jules},
     title = {Sur les \'equations diff\'erentielles lin\'eaires ordinaires},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {341--415},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 8},
     year = {1891},
     doi = {10.24033/asens.361},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.361/}
}