@article{ASENS_1913_3_30__521_0,
     author = {Cotton, \'Emile},
     title = {Sur l'instabilit\'e de l'\'equilibre},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {521--561},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 30},
     year = {1913},
     doi = {10.24033/asens.668},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.668/}
}