%0 Journal Article %A P. E. Ryabov %T A reply to ``Comments'' by A.\,V.~Tsiganov (ND, 2011, no.~3, p.~715) %J Russian journal of nonlinear dynamics %D 2012 %P 167-172 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2012_8_1_a11/ %G ru %F ND_2012_8_1_a11