TY - JOUR AU - T.M.K. Davison TI - A functional equation for quadratic forms. JO - Aequationes mathematicae PY - 1980 SP - 1 EP - 7 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1980__21_182409/ ID - AM2_1980__21_182409 ER -