%0 Journal Article
%A A.B. BUCHE
%T On the Cosine-Sine Operator Functional Equations
%J Aequationes mathematicae
%D 1971
%P 231-234
%V 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1971__6_136193/
%F AM2_1971__6_136193