TY - JOUR AU - S.M. Goberstein TI - Perfect completely semisimple inverse semigroups. JO - Semigroup forum PY - 1992 SP - 395 EP - 397 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135201/ ID - SF_1992__45_3_135201 ER -