%0 Journal Article
%A Yu. A. Brudnyi
%T Piecewise polynomial approximation and local approximations
%J Doklady Akademii Nauk
%D 1971
%P 16-18
%V 201
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_201_1_a2/
%G ru
%F DAN_1971_201_1_a2