@article{VMUMM_2007_1_a1,
     author = {A. V. Trofimov},
     title = {A perfect non-topologizable group},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {7--13},
     publisher = {mathdoc},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2007_1_a1/}
}