@article{GDZPPN00126432X, title = {Maximality properties of some subsemigroups of Baer-Levi semigroups.}, journal = {Semigroup forum}, volume = {51}, year = {1995}, pages = {153-190}, zbl = {0834.20064}, url = {http://dml.mathdoc.fr/item/GDZPPN00126432X} }
Hotzel, E. Maximality properties of some subsemigroups of Baer-Levi semigroups.. Semigroup forum, Tome 51 (1995) pp. 153-190. http://gdmltest.u-ga.fr/item/GDZPPN00126432X/