%0 Journal Article %A A. V. Zenkov %T Product varieties of $m$-groups %J Algebra i logika %D 2012 %P 722-733 %V 51 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2012_51_6_a1/ %G ru %F AL_2012_51_6_a1