Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1975_2_a4, author = {F. I. Kagan}, title = {Affine connections on a~tangent bundle}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {31--42}, publisher = {mathdoc}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1975_2_a4/} }
F. I. Kagan. Affine connections on a~tangent bundle. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1975), pp. 31-42. http://geodesic.mathdoc.fr/item/IVM_1975_2_a4/