%0 Journal Article %A S. M. Nikol'skii %A P. I. Lizorkin %T Inequalities for harmonic, spherical and algebraic polynomials %J Doklady Akademii Nauk %D 1986 %P 541-545 %V 289 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_3_a6/ %G ru %F DAN_1986_289_3_a6