%0 Journal Article
%A M. A. Gol'dman
%A S. N. Krachkovskii
%T Some remarks on perturbations of closed linear operators with closed range
%J Doklady Akademii Nauk
%D 1978
%P 25-27
%V 242
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_242_1_a4/
%G ru
%F DAN_1978_242_1_a4