TY - JOUR AU - J. Kucharczak TI - A characterization of α-convolutions JO - Colloquium Mathematicum PY - 1973 SP - 141 EP - 147 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-27-1-141-147/ DO - 10.4064/cm-27-1-141-147 LA - en ID - 10_4064_cm_27_1_141_147 ER -