@article{IVM_2018_9_a0,
     author = {V. E. Berezovskii and L. E. Kovalev and J. Mike\v{s}},
     title = {On preservation of the {Riemann} tensor with respect to some mappings of space with affine connection},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--10},
     publisher = {mathdoc},
     number = {9},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2018_9_a0/}
}