@article{ASENS_1919_3_36__127_0,
     author = {Cotton, \'Emile},
     title = {Sur la notion de nombre caract\'eristique de {M.} {Liapounoff}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {127--185},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 36},
     year = {1919},
     doi = {10.24033/asens.715},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.715/}
}