TY - JOUR AU - M. Petrich TI - The semigroup generated by certain operators on the congruence lattice of a Clifford semigroup. JO - Semigroup forum PY - 1992 SP - 332 EP - 341 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135196/ ID - SF_1992__45_3_135196 ER -