TY - JOUR AU - K.S. Ajan TI - On some presentations of completely regular semigroups. JO - Semigroup forum PY - 1992 SP - 214 EP - 225 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135184/ ID - SF_1992__45_3_135184 ER -