%0 Journal Article
%A Yu. N. Vladimirskii
%T Bounded perturbations of $\Phi$-operators in locally convex spaces
%J Doklady Akademii Nauk
%D 1971
%P 263-265
%V 196
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a2/
%G ru
%F DAN_1971_196_2_a2