%0 Journal Article
%A R. M. Trigub
%T Direct theorems on approximation of smooth functions by algebraic polynomials on a segment
%J Matematičeskie zametki
%D 1993
%P 113-121
%V 54
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1993_54_6_a9/
%G ru
%F MZM_1993_54_6_a9