TY - JOUR AU - McAlister, D. B. AU - O'Carroll, L. TI - Finitely generated commutative semigroups JO - Glasgow mathematical journal PY - 1970 SP - 134 EP - 151 VL - 11 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000987/ DO - 10.1017/S0017089500000987 ID - 10_1017_S0017089500000987 ER -