TY - JOUR AU - A. Quesada TI - On semiprime twisted semigroup rings. JO - Semigroup forum PY - 1982 SP - 339 EP - 344 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1982__25_134583/ ID - SF_1982__25_134583 ER -