@article{DAN_1981_258_5_a1,
     author = {A. V. Arkhangel'skii},
     title = {Any topological group is a factor group of a zero-dimensional topological group},
     journal = {Doklady Akademii Nauk},
     pages = {1037--1040},
     publisher = {mathdoc},
     volume = {258},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_5_a1/}
}