%0 Journal Article
%A S. Michlin
%T Certain properties of polynomial Ritz approximations
%J Doklady Akademii Nauk
%D 1968
%P 276-278
%V 180
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_180_2_a4/
%G ru
%F DAN_1968_180_2_a4