%0 Journal Article
%A K. Niino
%T On a functional equation. (Short Communication).
%J Aequationes mathematicae
%D 1981
%P 113-114
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1981__22_136863/
%F AM2_1981__22_136863