@article{AUG_1947-1948__23__145_0,
     author = {Gachet, Henry},
     title = {Sur les surfaces et les courbes d\'eformables},
     journal = {Annales de l'universit\'e de Grenoble. Nouvelle s\'erie. Section sciences math\'ematiques et physiques},
     pages = {145--154},
     publisher = {Allier},
     address = {Grenoble},
     volume = {23},
     year = {1947-1948},
     mrnumber = {26833},
     zbl = {0030.06801},
     language = {fr},
     url = {http://www.numdam.org/item/AUG_1947-1948__23__145_0/}
}