TY  - JOUR
AU  - Gonçalves, Jairo Z.
TI  - Free Groups in Subnormal Subgroups and the Residual Nilpotence of the Group of Units of Groups Rings
JO  - Canadian mathematical bulletin
PY  - 1984
SP  - 365
EP  - 370
VL  - 27
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-055-6/
DO  - 10.4153/CMB-1984-055-6
ID  - 10_4153_CMB_1984_055_6
ER  -