@article{IVM_1970_3_a1,
     author = {A. M. Berezman},
     title = {Covariant differentiation in manifolds with a~structure defined by a~family of tensor fields},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {6--13},
     publisher = {mathdoc},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_3_a1/}
}