TY - JOUR AU - K. Urbanik TI - Generalized convolutions JO - Studia Mathematica PY - 1963 SP - 217 EP - 245 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-23-3-217-245/ DO - 10.4064/sm-23-3-217-245 LA - en ID - 10_4064_sm_23_3_217_245 ER -