TY - JOUR AU - James A. Anderson TI - The tensor product of a semigroup with a union of groups. JO - Semigroup forum PY - 1974 SP - 65 EP - 68 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1974__8_134025/ ID - SF_1974__8_134025 ER -