@article{MZM_1994_55_1_a16,
     author = {I. V. Protasov},
     title = {Discrete subsets of topological groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {150--151},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a16/}
}