TY - JOUR AU - C.F.K. Jung AU - V. Boonyasombat TI - On the functional equation f(x +f(y)) = f(x)f(y). JO - Aequationes mathematicae PY - 1976 SP - 41 EP - 48 VL - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1976__14_136562/ ID - AM2_1976__14_136562 ER -