%0 Journal Article %A Haruki, Hiroshi %T On a Relation between the “Square” Functional Equation And The “Square” Mean-Value Property %J Canadian mathematical bulletin %D 1971 %P 161-165 %V 14 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-030-6/ %R 10.4153/CMB-1971-030-6 %F 10_4153_CMB_1971_030_6