@article{GDZPPN001251805, title = {On the structure of orthodox semigroups.}, journal = {Semigroup forum}, volume = {12}, year = {1976}, pages = {271-280}, zbl = {0444.20054}, url = {http://dml.mathdoc.fr/item/GDZPPN001251805} }
Szendrei, M. On the structure of orthodox semigroups.. Semigroup forum, Tome 12 (1976) pp. 271-280. http://gdmltest.u-ga.fr/item/GDZPPN001251805/