%0 Journal Article
%A Gonçalves, Jairo Z.
%T Free Groups in Subnormal Subgroups and the Residual Nilpotence of the Group of Units of Groups Rings
%J Canadian mathematical bulletin
%D 1984
%P 365-370
%V 27
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-055-6/
%R 10.4153/CMB-1984-055-6
%F 10_4153_CMB_1984_055_6