TY - JOUR AU - OkniĊ„ski, Jan TI - Prime and semiprime semigroup rings of cancellative semigroups JO - Glasgow mathematical journal PY - 1993 SP - 1 EP - 12 VL - 35 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009514/ DO - 10.1017/S0017089500009514 ID - 10_1017_S0017089500009514 ER -