%0 Journal Article %A G. G. Magaril-Il'yaev %T Inequalities for derivatives, and duality %J Informatics and Automation %D 1983 %P 183-194 %V 161 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1983_161_a9/ %G ru %F TRSPY_1983_161_a9