%0 Journal Article
%A N. Sauer
%A J.E. Singleton
%T Evolution operators related to semi-groups of class (A).
%J Semigroup forum
%D 1986
%P 317-336
%V 35
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1986__35_134878/
%F SF_1986__35_134878