TY - JOUR AU - V. F. Butuzov TI - On the Special Properties of the Boundary Layer in Singularly Perturbed Problems with Multiple Root of the Degenerate Equation JO - Matematičeskie zametki PY - 2013 SP - 68 EP - 80 VL - 94 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_94_1_a5/ LA - ru ID - MZM_2013_94_1_a5 ER -