@article{GDZPPN002078236, title = {On Regular Right Duo Semigroups.}, journal = {Elemente der Mathematik}, volume = {27}, year = {1972}, pages = {86-87}, zbl = {0214.03501}, url = {http://dml.mathdoc.fr/item/GDZPPN002078236} }
Lajos, S. On Regular Right Duo Semigroups.. Elemente der Mathematik, Tome 27 (1972) pp. 86-87. http://gdmltest.u-ga.fr/item/GDZPPN002078236/