@article{ASENS_1916_3_33__71_0,
     author = {Delassus, \'Etienne},
     title = {Sur les mouvements holonomes dont les \'equations admettent des formes multiples de {Lagrange}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {71--125},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 33},
     year = {1916},
     doi = {10.24033/asens.691},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.691/}
}