@article{DAN_1967_174_1_a10,
     author = {M. M. Choban},
     title = {Finite-to-one open maps},
     journal = {Doklady Akademii Nauk},
     pages = {41--44},
     publisher = {mathdoc},
     volume = {174},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_1_a10/}
}