TY - JOUR AU - Konrad D. Heuvers TI - A family of symmetric biadditive nonbilinear functions. JO - Aequationes mathematicae PY - 1985 SP - 14 EP - 18 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1985__29_137075/ ID - AM2_1985__29_137075 ER -