%0 Journal Article %A V. K. Dzyadyk %T On the application of linear methods to polynomial approximation of %J Izvestiya. Mathematics %D 1970 %P 835-858 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1970_4_4_a7/ %G en %F IM2_1970_4_4_a7