%0 Journal Article %A V. I. Lebedev %T Extremal polynomials and methods of optimization of numerical algorithms %J Sbornik. Mathematics %D 2004 %P 1413-1459 %V 195 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2004_195_10_a1/ %G en %F SM_2004_195_10_a1