%0 Journal Article %A G. G. Magaril-Il'yaev %T Inequalities for derivatives, and duality %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 183-194 %V 161 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1983_161_a9/ %G ru %F TM_1983_161_a9