TY - JOUR AU - M. Hosszú TI - On some functional equations and on their classification JO - Matematički vesnik PY - 1966 SP - 139 VL - 18 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MV_1966_18_3_a0/ ID - MV_1966_18_3_a0 ER -