@article{JMPA_1883_3_9__257_0, author = {Collet}, title = {Des enveloppes des courbes dans l'espace}, journal = {Journal de Math\'ematiques Pures et Appliqu\'ees}, pages = {257--268}, publisher = {Gauthier-Villars}, volume = {3e s{\'e}rie, 9}, year = {1883}, language = {fr}, url = {http://www.numdam.org/item/JMPA_1883_3_9__257_0/} }