%0 Journal Article %A S. B. Vakarchuk %A A. N. Shchitov %T Estimates for the error of approximation of functions in $L_p^1$ by polynomials %J Izvestiya. Mathematics %D 2015 %P 257-287 %V 79 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2015_79_2_a2/ %G en %F IM2_2015_79_2_a2