%0 Journal Article
%A Yu. M. Gorchakov
%A G. P. Egorychev
%T Ranks of factors of the lower central series of a free polynilpotent group
%J Doklady Akademii Nauk
%D 1972
%P 12-14
%V 204
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_204_1_a1/
%G ru
%F DAN_1972_204_1_a1