%0 Journal Article
%A G. Duchamp
%A D. Krob
%T The lower central series of the free partially commutative  group.
%J Semigroup forum
%D 1992
%P 385-394
%V 45
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135200/
%F SF_1992__45_3_135200