@article{DAN_1976_228_1_a11,
     author = {M. M. Choban},
     title = {The topological structure of subsets of topological groups and their quotient spaces},
     journal = {Doklady Akademii Nauk},
     pages = {52--55},
     publisher = {mathdoc},
     volume = {228},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a11/}
}