TY - JOUR AU - P. E. Ryabov TI - A reply to ``Comments'' by A.\,V.~Tsiganov (ND, 2011, no.~3, p.~715) JO - Russian journal of nonlinear dynamics PY - 2012 SP - 167 EP - 172 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2012_8_1_a11/ LA - ru ID - ND_2012_8_1_a11 ER -