TY - JOUR AU - V. A. Beloshapko AU - V. F. Butuzov TI - A singularly perturbed elliptic problem in the case of a multiple root of the degenerate equation JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2013 SP - 1291 EP - 1301 VL - 53 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2013_53_8_a6/ LA - ru ID - ZVMMF_2013_53_8_a6 ER -