%0 Journal Article
%A Christensen, Ole
%T Operators with Closed Range, Pseudo-Inverses, and Perturbation of Frames for a Subspace
%J Canadian mathematical bulletin
%D 1999
%P 37-45
%V 42
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-004-5/
%R 10.4153/CMB-1999-004-5
%F 10_4153_CMB_1999_004_5