TY - JOUR AU - K. Urbanik TI - A numerical constant associated with generalized convolutions JO - Colloquium Mathematicum PY - 1987 SP - 379 EP - 388 VL - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-379-388/ DO - 10.4064/cm-51-1-379-388 LA - en ID - 10_4064_cm_51_1_379_388 ER -