@article{SEMR_2009_6_a18,
     author = {D. O. Revin},
     title = {Around a~conjecture of {P.~Hall}},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {366--380},
     publisher = {mathdoc},
     volume = {6},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2009_6_a18/}
}