TY - JOUR AU - Wojciech Chojnacki TI - On some functional equation generalizing Cauchy's and d'Alembert's functional equations JO - Colloquium Mathematicum PY - 1987 SP - 169 EP - 178 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-55-1-169-178/ DO - 10.4064/cm-55-1-169-178 LA - en ID - 10_4064_cm_55_1_169_178 ER -