%0 Journal Article %A Haruki, Shigeru %T A Note on a Square Type Functional Equation %J Canadian mathematical bulletin %D 1973 %P 443-445 %V 16 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-072-7/ %R 10.4153/CMB-1973-072-7 %F 10_4153_CMB_1973_072_7