TY - JOUR AU - SHIGERU HARUKI TI - On Two Functional Equations Connected with a Mean-Value Property of Polynomials JO - Aequationes mathematicae PY - 1971 SP - 275 EP - 277 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1971__6_136201/ ID - AM2_1971__6_136201 ER -