TY - JOUR AU - V. F. Butuzov AU - V. A. Beloshapko TI - Singularly perturbed elliptic Dirichlet problem with a multiple root of the degenerate equation JO - Modelirovanie i analiz informacionnyh sistem PY - 2016 SP - 515 EP - 528 VL - 23 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAIS_2016_23_5_a0/ LA - ru ID - MAIS_2016_23_5_a0 ER -