TY  - JOUR
AU  - D. Helmer
TI  - Joint continuity of affine semigroup actions.
JO  - Semigroup forum
PY  - 1980
SP  - 153
EP  - 166
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1980__21_134444/
ID  - SF_1980__21_134444
ER  -