@article{GDZPPN001256378, title = {Globally determined semigroups.}, journal = {Semigroup forum}, volume = {30}, year = {1984}, pages = {1-12}, zbl = {0528.20046}, url = {http://dml.mathdoc.fr/item/GDZPPN001256378} }
Gould, M.; Iskra, J.A. Globally determined semigroups.. Semigroup forum, Tome 30 (1984) pp. 1-12. http://gdmltest.u-ga.fr/item/GDZPPN001256378/