%0 Journal Article
%A Ioana Cionarescu
%A Carlos Lizama
%T Spectral properties of cosine operator functions.
%J Aequationes mathematicae
%D 1988
%P 80-98
%V 36
%N 2-3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1988__36_2-3_137276/
%F AM2_1988__36_2-3_137276