@article{ASNSP_1959_3_13_2_205_0,
     author = {Thiry, Y.},
     title = {Remarques sur les \'equations canoniques de la m\'ecanique},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {205--221},
     publisher = {Scuola normale superiore},
     volume = {3e s{\'e}rie, 13},
     number = {2},
     year = {1959},
     mrnumber = {109453},
     zbl = {0093.16906},
     language = {fr},
     url = {http://archive.numdam.org/item/ASNSP_1959_3_13_2_205_0/}
}