%0 Journal Article
%A S. M. Dolganova
%T Semi-Fredholm families of operators in topological vector spaces
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1972
%V 27
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1972_27_4_a16/
%G ru
%F RM_1972_27_4_a16