%0 Journal Article
%A Thorsten Kröncke
%T Extremal perturbations of semi-Fredholm operators
%J Studia Mathematica
%D 1998
%P 253-264
%V 129
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-129-3-253-264/
%R 10.4064/sm-129-3-253-264
%G en
%F 10_4064_sm_129_3_253_264