%0 Journal Article
%A V. P. Il'in
%T Estimate of error in the Ritz method for ordinary differential equations
%J Informatics and Automation
%D 1959
%P 43-63
%V 53
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1959_53_a4/
%G ru
%F TRSPY_1959_53_a4