%0 Journal Article
%A T. O. Shaposhnikova
%T Asymptotic estimates of the convergence of the Ritz method in the eigenvalue problem for a degenerate elliptic operator
%J Differencialʹnye uravneniâ
%D 1973
%P 709-716
%V 9
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_4_a14/
%G ru
%F DE_1973_9_4_a14