Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1969_2_a3, author = {L. E. Evtushik}, title = {Nonlinear connections of higher orders}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {32--44}, publisher = {mathdoc}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_2_a3/} }
L. E. Evtushik. Nonlinear connections of higher orders. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1969), pp. 32-44. http://geodesic.mathdoc.fr/item/IVM_1969_2_a3/