Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1994__44_3_a3, author = {Krupkov\'a, Olga}, title = {Variational metrics on ${\bf R}\times TM$ and the geometry of nonconservative mechanics}, journal = {Mathematica slovaca}, pages = {315--335}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1994}, mrnumber = {1307321}, zbl = {0818.53026}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_3_a3/} }
Krupková, Olga. Variational metrics on ${\bf R}\times TM$ and the geometry of nonconservative mechanics. Mathematica slovaca, Tome 44 (1994) no. 3, pp. 315-335. http://geodesic.mathdoc.fr/item/MASLO_1994__44_3_a3/