@article{IVM_1983_1_a8,
     author = {N. A. Stepanov},
     title = {The tangent bundle of $\varphi$-spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {81--88},
     publisher = {mathdoc},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1983_1_a8/}
}