%0 Journal Article
%A Fenn, Roger
%A Sjerve, Denis
%T Massey Products and Lower Central Series of Free Groups
%J Canadian journal of mathematics
%D 1987
%P 322-337
%V 39
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-015-5/
%R 10.4153/CJM-1987-015-5
%F 10_4153_CJM_1987_015_5