TY - JOUR TI - From the Editor JO - Russian journal of nonlinear dynamics PY - 2011 SP - 151 EP - 152 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2011_7_1_a8/ LA - ru ID - ND_2011_7_1_a8 ER -