TY - JOUR AU - HIROSHI HARUKI TI - On an Application of the 'Square' Functional Equation to a Geometrie Characterization of Quadratic Functions from the Standpoint of Conformal-Mapping Properties JO - Aequationes mathematicae PY - 1971 SP - 36 EP - 38 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1971__6_136165/ ID - AM2_1971__6_136165 ER -