TY  - JOUR
AU  - Stephen G. Brick
TI  - Normal-convexity and equations over groups.
JO  - Inventiones mathematicae
PY  - 1988
SP  - 81
EP  - 104
VL  - 94
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1988__94_2_143618/
ID  - IM_1988__94_2_143618
ER  -