TY - JOUR AU - S. F. Dolbeeva AU - E. A. Chizh TI - Asymptotics of a second-order differential equation with a small parameter in the case when the reduced equation has two solutions JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2008 SP - 33 EP - 45 VL - 48 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_1_a2/ LA - ru ID - ZVMMF_2008_48_1_a2 ER -