%0 Journal Article
%A Laura Burlando
%T Generalized Semi-Fredholm Operators That Belong to the Closure of the Group of Invertible Operators
%J Mathematica balkanica
%D 1992
%P 223
%V 6
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a4/
%F MABA_1992_6_3_a4