Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_202_3_a16, author = {A. M. Vershik and L. D. Faddeev}, title = {Differential geometry and {Lagrangian} mechanics with constraints}, journal = {Doklady Akademii Nauk}, pages = {555--557}, publisher = {mathdoc}, volume = {202}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_3_a16/} }
A. M. Vershik; L. D. Faddeev. Differential geometry and Lagrangian mechanics with constraints. Doklady Akademii Nauk, Tome 202 (1972) no. 3, pp. 555-557. http://geodesic.mathdoc.fr/item/DAN_1972_202_3_a16/