@article{DAN_1966_170_4_a2,
     author = {A. V. Arkhangel'skii},
     title = {A theorem of the metrizability of the inverse image of a metric space under an open-closed finite-to-one mapping. {Example} and unsolved problems},
     journal = {Doklady Akademii Nauk},
     pages = {759--762},
     publisher = {mathdoc},
     volume = {170},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_4_a2/}
}