%0 Journal Article %A V. I. Skalyga %T Analogs of the Markov and Schaeffer--Duffin inequalities for convex bodies %J Matematičeskie zametki %D 2000 %P 146-150 %V 68 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2000_68_1_a17/ %G ru %F MZM_2000_68_1_a17