%0 Journal Article
%T Generalizing the Paley-Wiener perturbation theory for Banach spaces
%A Peter G. Casazza
%A Nigel J. Kalton
%J Mathematics
%D 1997
%I arXiv
%X We extend the Paley-Wiener pertubation theory to linear operators mapping a subspace of one Banach space into another Banach space.
%U http://arxiv.org/abs/math/9709207v1