%0 Journal Article
%A V. A. Il'in
%T An inequality of Hilbert type for a system of eigenfunctions of
%J Doklady Akademii Nauk
%D 1986
%P 1292-1296
%V 291
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_291_6_a1/
%G ru
%F DAN_1986_291_6_a1