@article{MZM_2018_103_2_a2,
     author = {D. V. Gugnin},
     title = {Lower {Bounds} for the {Degree} of a {Branched} {Covering} of a {Manifold}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {186--195},
     publisher = {mathdoc},
     volume = {103},
     number = {2},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_103_2_a2/}
}