%0 Journal Article
%A A.B. Buche
%T On an Exponential-Cosine Operator-Valued Functional Equation. (Short Communication).
%J Aequationes mathematicae
%D 1975
%P 117-117
%V 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1975__12_136498/
%F AM2_1975__12_136498