Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1970_1_a6, author = {L. E. Evtushik}, title = {Nonlinear connections in higher order metric spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {48--60}, publisher = {mathdoc}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_1_a6/} }
L. E. Evtushik. Nonlinear connections in higher order metric spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1970), pp. 48-60. http://geodesic.mathdoc.fr/item/IVM_1970_1_a6/