%0 Journal Article
%A Coburn, L. A.
%A Lebow, A.
%T Approximation by Fredholm operators in the metric space of closed operators
%J Rendiconti del Seminario Matematico della Università di Padova
%D 1966
%P 217-222
%V 36
%N 2
%I Seminario Matematico of the University of Padua
%U http://www.numdam.org/item/RSMUP_1966__36_2_217_0/
%G en
%F RSMUP_1966__36_2_217_0