@article{GDZPPN001255509, title = {On ideal extensions of completely simple semigroups.}, journal = {Semigroup forum}, volume = {24}, year = {1982}, pages = {223-230}, zbl = {0484.20029}, url = {http://dml.mathdoc.fr/item/GDZPPN001255509} }
Lallement, G. On ideal extensions of completely simple semigroups.. Semigroup forum, Tome 24 (1982) pp. 223-230. http://gdmltest.u-ga.fr/item/GDZPPN001255509/