%0 Journal Article %A S. Tazhetdinov %T Subnormal structure of two-dimensional linear groups over %J Algebra i logika %D 1983 %P 707-713 %V 22 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1983_22_6_a7/ %G ru %F AL_1983_22_6_a7