@article{NAM_1897_3_16__323_0,
     author = {Klein, F\'elix},
     title = {Sur la stabilit\'e d'une toupie qui dort {(Sleeping)}},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {323--328},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 16},
     year = {1897},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1897_3_16__323_0/}
}