%0 Journal Article
%A Harshinder Singh
%A H.L. Vasudeva
%T Exponential-cosine operator-valued functional equation in the strong operator topology.
%J Aequationes mathematicae
%D 1984
%P 187-197
%V 27
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1984__27_137021/
%F AM2_1984__27_137021