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@article{SF_1984__29_134697, author = {M. Gould and J. Iskra and C. Tsinakis}, title = {Globals of completely regular periodic semigroups.}, journal = {Semigroup forum}, pages = {365--374}, publisher = {mathdoc}, volume = {29}, year = {1984}, zbl = {0553.20036}, url = {http://geodesic.mathdoc.fr/item/SF_1984__29_134697/} }
M. Gould; J. Iskra; C. Tsinakis. Globals of completely regular periodic semigroups.. Semigroup forum, Tome 29 (1984), pp. 365-374. http://geodesic.mathdoc.fr/item/SF_1984__29_134697/