TY - JOUR AU - V. A. Babalola AU - A. Olubummo TI - Semigroups of operators commuting with translations JO - Colloquium Mathematicum PY - 1974 SP - 253 EP - 258 VL - 31 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-31-2-253-258/ DO - 10.4064/cm-31-2-253-258 LA - en ID - 10_4064_cm_31_2_253_258 ER -