TY - JOUR AU - BAILEY, ALEX AU - GOULD, VICTORIA AU - HARTMANN, MIKLÓS AU - RENSHAW, JAMES AU - SHAHEEN, LUBNA TI - COVERS FOR S-ACTS AND CONDITION (A) FOR A MONOID S JO - Glasgow mathematical journal PY - 2015 SP - 323 EP - 341 VL - 57 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089514000317/ DO - 10.1017/S0017089514000317 ID - 10_1017_S0017089514000317 ER -