@article{BSMF_1909__37__204_1,
     author = {Cotton, E.},
     title = {Sur les \'equations diff\'erentielles d\'ependant de param\`etres arbitraires},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {204--214},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {37},
     year = {1909},
     doi = {10.24033/bsmf.848},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.848/}
}