TY - JOUR AU - C.F. Kelemen TI - Actions by a bisimple w-semigroup. JO - Semigroup forum PY - 1972 SP - 248 EP - 251 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1972__4_133901/ ID - SF_1972__4_133901 ER -