@article{GDZPPN001257102, title = {On maximal subsemigroups of Baer-Levi semigroups.}, journal = {Semigroup forum}, volume = {30}, year = {1984}, pages = {99-102}, zbl = {0528.20052}, url = {http://dml.mathdoc.fr/item/GDZPPN001257102} }
Levi, I.; Wood, G.R. On maximal subsemigroups of Baer-Levi semigroups.. Semigroup forum, Tome 30 (1984) pp. 99-102. http://gdmltest.u-ga.fr/item/GDZPPN001257102/