@article{1178244631, author = {Nomizu, Katsumi}, title = {On Frenet equations for curves of class $C^{\infty}$}, journal = {Tohoku Math. J. (2)}, volume = {11}, number = {3}, year = {1959}, pages = { 106-112}, language = {en}, url = {http://dml.mathdoc.fr/item/1178244631} }
Nomizu, Katsumi. On Frenet equations for curves of class $C^{\infty}$. Tohoku Math. J. (2), Tome 11 (1959) no. 3, pp. 106-112. http://gdmltest.u-ga.fr/item/1178244631/