%0 Journal Article
%A Yu. K. Dem'yanovich
%T Estimates of the rate of convergence of certain projection methods of solving elliptic equations
%J Doklady Akademii Nauk
%D 1967
%P 518-521
%V 174
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a2/
%G ru
%F DAN_1967_174_3_a2