%0 Journal Article
%A Yan, Jia-An
%T A perturbation theorem for semigroups of linear operators
%J Séminaire de probabilités de Strasbourg
%D 1988
%P 89-91
%V 22
%I Springer - Lecture Notes in Mathematics
%U http://archive.numdam.org/item/SPS_1988__22__89_0/
%G fr
%F SPS_1988__22__89_0