TY - JOUR AU - A. Gulgowska AU - L. Gulgowski TI - On problems of B. Choczewski and M. Kuczma concerning an integral equation JO - Colloquium Mathematicum PY - 1977 SP - 91 EP - 94 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-38-1-91-94/ DO - 10.4064/cm-38-1-91-94 LA - en ID - 10_4064_cm_38_1_91_94 ER -