TY - JOUR TI - Scientific School «Nonlinear days in Saratov for youth -- 2015». Russia, Saratov, 27--31.10.2015, 24--27.11.2015 JO - Izvestiya VUZ. Applied Nonlinear Dynamics PY - 2015 SP - 97 EP - 103 VL - 23 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVP_2015_23_6_a9/ LA - ru ID - IVP_2015_23_6_a9 ER -