%0 Journal Article %A P. A. Terekhin %T Best approximation of functions in $L_p$ by polynomials on affine system %J Sbornik. Mathematics %D 2011 %P 279-306 %V 202 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2011_202_2_a4/ %G en %F SM_2011_202_2_a4