TY - JOUR AU - N. Kehayopulu TI - On left (resp. right) duo regular poesemigroups. JO - Semigroup forum PY - 1985 SP - 123 EP - 126 VL - 31 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1985__31_134741/ ID - SF_1985__31_134741 ER -