%0 Journal Article
%A N. A. Luk'yanov
%T An a posteriori estimate of the accuracy of solutions of boundary value problems
%J Doklady Akademii Nauk
%D 1984
%P 1301-1305
%V 278
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_278_6_a3/
%G ru
%F DAN_1984_278_6_a3