%0 Journal Article %A A. A. Pekarskii %T Estimate of the derivative of an algebraic polynomial %J Matematičeskie zametki %D 1990 %P 74-77 %V 47 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a9/ %G ru %F MZM_1990_47_3_a9