@article{GDZPPN001264087, title = {Semigroups whose regular J-classes form finite lattices.}, journal = {Semigroup forum}, volume = {51}, year = {1995}, pages = {265-286}, zbl = {0876.20042}, url = {http://dml.mathdoc.fr/item/GDZPPN001264087} }
Magill, K.D. jr.; Misra, P.R. Semigroups whose regular J-classes form finite lattices.. Semigroup forum, Tome 51 (1995) pp. 265-286. http://gdmltest.u-ga.fr/item/GDZPPN001264087/