@article{GDZPPN001247654, title = {A generalization of the Rees Theorem to a class o\pounds\ regular semigroups.}, journal = {Semigroup forum}, volume = {2}, year = {1971}, pages = {321-331}, zbl = {0226.20070}, url = {http://dml.mathdoc.fr/item/GDZPPN001247654} }
Allen, D. jr. A generalization of the Rees Theorem to a class o£ regular semigroups.. Semigroup forum, Tome 2 (1971) pp. 321-331. http://gdmltest.u-ga.fr/item/GDZPPN001247654/