%0 Journal Article
%A P. A. Krutitskii
%T On the invertibility of a certain operator
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2014
%P 162-164
%V 69
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2014_69_1_a5/
%G en
%F RM_2014_69_1_a5