%0 Journal Article %A M. M. Glukhov %T On the approximation of discrete functions by linear functions %J Matematičeskie voprosy kriptografii %D 2016 %P 29-50 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MVK_2016_7_a2/ %G ru %F MVK_2016_7_a2