TY - JOUR AU - Haruki, Hiroshi TI - On a Relation between the “Square” Functional Equation And The “Square” Mean-Value Property JO - Canadian mathematical bulletin PY - 1971 SP - 161 EP - 165 VL - 14 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-030-6/ DO - 10.4153/CMB-1971-030-6 ID - 10_4153_CMB_1971_030_6 ER -