%0 Journal Article %A M. M. Glukhov %T On the matrices of transitions of differences for some modular groups %J Matematičeskie voprosy kriptografii %D 2013 %P 27-47 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MVK_2013_4_a2/ %G ru %F MVK_2013_4_a2