@article{GDZPPN001258249, title = {Green's relations on Croisot-Teissier semigroups.}, journal = {Semigroup forum}, volume = {33}, year = {1986}, pages = {299-308}, zbl = {0584.20056}, url = {http://dml.mathdoc.fr/item/GDZPPN001258249} }
Levi, I. Green's relations on Croisot-Teissier semigroups.. Semigroup forum, Tome 33 (1986) pp. 299-308. http://gdmltest.u-ga.fr/item/GDZPPN001258249/