TY - JOUR AU - L. A. Kalyakin TI - Asymptotic Solution of the Threshold Phenomenon Problem for the Principal Resonance Equations JO - Differencialʹnye uravneniâ PY - 2004 SP - 731 EP - 739 VL - 40 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2004_40_6_a1/ LA - ru ID - DE_2004_40_6_a1 ER -