TY - JOUR AU - G. I. Shishkin TI - Grid approximation of singularly perturbed equations, degenerated on the boundary. The case of sharply changing coefficients in the neighbourhood of the boundary layer JO - Matematičeskoe modelirovanie PY - 1994 SP - 105 EP - 121 VL - 6 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1994_6_5_a8/ LA - ru ID - MM_1994_6_5_a8 ER -