TY - JOUR AU - B. Billhardt TI - On inverse semigroups the closure of whose set of idempotents is a Clifford semigroup. JO - Semigroup forum PY - 1992 SP - 320 EP - 331 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1992__44_1_135155/ ID - SF_1992__44_1_135155 ER -