%0 Journal Article %A V. G. Nikonov %T On the structure of strictly convex $k$-functions %J Matematičeskie voprosy kriptografii %D 2011 %P 75-95 %V 2 %N 1 %U http://geodesic.mathdoc.fr/item/MVK_2011_2_1_a2/ %G ru %F MVK_2011_2_1_a2