@article{GDZPPN001257455, title = {On left (resp. right) duo regular poesemigroups.}, journal = {Semigroup forum}, volume = {31}, year = {1985}, pages = {123-126}, zbl = {0549.06008}, url = {http://dml.mathdoc.fr/item/GDZPPN001257455} }
Kehayopulu, N. On left (resp. right) duo regular poesemigroups.. Semigroup forum, Tome 31 (1985) pp. 123-126. http://gdmltest.u-ga.fr/item/GDZPPN001257455/