%0 Journal Article %A S. M. Nikol'skii %T An inverse problem of approximation by algebraic polynomials on %J Doklady Akademii Nauk %D 1996 %P 27-29 %V 347 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_347_1_a5/ %G ru %F DAN_1996_347_1_a5