@article{GDZPPN001259717, title = {Varieties generated by free completely simple semigroups.}, journal = {Semigroup forum}, volume = {38}, year = {1989}, pages = {269-282}, zbl = {0663.20064}, url = {http://dml.mathdoc.fr/item/GDZPPN001259717} }
Jones, Peter R. Varieties generated by free completely simple semigroups.. Semigroup forum, Tome 38 (1989) pp. 269-282. http://gdmltest.u-ga.fr/item/GDZPPN001259717/