%0 Journal Article
%A G.F. Webb
%T A representation formula for strongly continuous cosine families.
%J Aequationes mathematicae
%D 1980
%P 251-256
%V 21
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1980__21_182435/
%F AM2_1980__21_182435