TY - JOUR AU - Jones, Peter R. TI - Basis properties for semigroups JO - Glasgow mathematical journal PY - 1988 SP - 101 EP - 109 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007072/ DO - 10.1017/S0017089500007072 ID - 10_1017_S0017089500007072 ER -