TY - JOUR AU - Kenneth Magill TI - On restrictive semigroups of continuous functions JO - Fundamenta Mathematicae PY - 1971 SP - 131 EP - 137 VL - 71 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-71-2-131-137/ DO - 10.4064/fm-71-2-131-137 LA - en ID - 10_4064_fm_71_2_131_137 ER -