@article{RM_1962_17_2_a11,
     author = {L. E. Evtushik},
     title = {Non-linear connections},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1962},
     volume = {17},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1962_17_2_a11/}
}