TY - JOUR AU - A. Járai TI - Regularity properties of functional equations. JO - Aequationes mathematicae PY - 1982 SP - 52 EP - 66 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1982__25_136946/ ID - AM2_1982__25_136946 ER -