%0 Journal Article
%A V. M. Kopytov
%A J. Rachůnek
%T The Greatest Proper Variety of $m$-Groups
%J Algebra i logika
%D 2003
%P 624-635
%V 42
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2003_42_5_a4/
%G ru
%F AL_2003_42_5_a4