TY - JOUR TI - From the Editor JO - Russian journal of nonlinear dynamics PY - 2007 SP - 225 EP - 226 VL - 3 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2007_3_2_a6/ LA - ru ID - ND_2007_3_2_a6 ER -