%0 Journal Article
%A Hiroshi Haruki
%T A proof of Euler's identity by a functional equation.
%J Aequationes mathematicae
%D 1985
%P 138-143
%V 28
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1985__28_137051/
%F AM2_1985__28_137051