TY  - JOUR
AU  - G. Pollák
AU  - A. Ali Ismaeel
TI  - The translational   hull of a subsemigroup of a semilattice of groups.
JO  - Semigroup forum
PY  - 1992
SP  - 264
EP  - 266
VL  - 45
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135189/
ID  - SF_1992__45_3_135189
ER  -