%0 Journal Article
%A V. M. Levchuk
%T Central series and series of commutators of certain subgroups of
%J Doklady Akademii Nauk
%D 1990
%P 799-802
%V 313
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a5/
%G ru
%F DAN_1990_313_4_a5