%0 Journal Article
%A S. Oharu
%T Nonlinear perturbations of analytical semigroups.
%J Semigroup forum
%D 1991
%P 127-146
%V 42
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1991__42_3_135072/
%F SF_1991__42_3_135072