%0 Journal Article
%A Jürgen Voigt
%T On the Perturbation Theory for Strongly Continuous Semigroups.
%J Mathematische Annalen
%D 1977
%P 163-172
%V 229
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1977__229_163012/
%F MAN_1977__229_163012