%0 Journal Article %A L. S. Kazarin %T Tests for the nonsimplicity of factorable groups %J Izvestiya. Mathematics %D 1981 %P 261-278 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1981_16_2_a2/ %G en %F IM2_1981_16_2_a2