%0 Journal Article %A A. V. Petukhov %T A geometric description of epimorphic subgroups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2010 %P 989-990 %V 65 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2010_65_5_a11/ %G en %F RM_2010_65_5_a11