%0 Journal Article %A V. N. Sachkov %T Difference specification of substitutions and partitions in a residue ring %J Matematičeskie voprosy kriptografii %D 2014 %P 127-150 %V 5 %N 1 %U http://geodesic.mathdoc.fr/item/MVK_2014_5_1_a6/ %G ru %F MVK_2014_5_1_a6