TY - JOUR AU - A.I. Roset TI - Topologically 0-simple semigroups. JO - Semigroup forum PY - 1977 SP - 149 EP - 158 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1977__15_134245/ ID - SF_1977__15_134245 ER -