TY - JOUR AU - Yu. T. Sil'chenko TI - A Method for Studying a Coupled System of Differential Equations JO - Differencialʹnye uravneniâ PY - 2005 SP - 844 EP - 850 VL - 41 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2005_41_6_a15/ LA - ru ID - DE_2005_41_6_a15 ER -