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@article{IVM_1987_11_a9, author = {V. G. Pestov}, title = {Thin sets in topological groups and a~new criterion for precompactness}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {64--67}, publisher = {mathdoc}, number = {11}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1987_11_a9/} }
V. G. Pestov. Thin sets in topological groups and a~new criterion for precompactness. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1987), pp. 64-67. http://geodesic.mathdoc.fr/item/IVM_1987_11_a9/