@article{GDZPPN001262041,
title = {The translational hull of a subsemigroup of a semilattice of groups.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {264-266},
zbl = {0793.20059},
url = {http://dml.mathdoc.fr/item/GDZPPN001262041}
}
Pollák, G.; Ismaeel, A. Ali. The translational hull of a subsemigroup of a semilattice of groups.. Semigroup forum, Tome 44 (1992) pp. 264-266. http://gdmltest.u-ga.fr/item/GDZPPN001262041/