%0 Journal Article %A V. G. Smirnov %T Methods of solution of systems of quasisymmetric equations with applications to the analysis of clock-controlled generators %J Matematičeskie voprosy kriptografii %D 2010 %P 67-91 %V 1 %N 3 %U http://geodesic.mathdoc.fr/item/MVK_2010_1_3_a4/ %G ru %F MVK_2010_1_3_a4