%0 Journal Article
%A Nickel, Gregor
%T A new look at boundary perturbations of generators
%J Electronic Journal of Differential Equations
%D 2004
%V 2004
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a130/
%G en
%F EJDE_2004__2004__a130