@article{VMUMM_1985_3_a1,
     author = {V. G. Pestov},
     title = {Neighborhoods of identity in free topological groups},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {8--10},
     publisher = {mathdoc},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_3_a1/}
}