%0 Journal Article
%A S.-Y. Shaw
%A C.-S. Lee
%A W.-L. Chiou
%T Representation formulas for cosine and sine functions of operators II.
%J Aequationes mathematicae
%D 1986
%P 64-75
%V 31
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1986__31_137143/
%F AM2_1986__31_137143