@article{JMPA_1920_8_3__245_0,
     author = {Is\'enoff, Iv.},
     title = {Sur les \'equations g\'en\'erales du mouvement des syst\`emes mat\'eriels non holonomes},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {245--263},
     publisher = {Gauthier-Villars},
     volume = {8e s{\'e}rie, 3},
     year = {1920},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1920_8_3__245_0/}
}