TY - JOUR AU - G. I. Shishkin TI - Grid approximation of boundary value problems for singularly perturbed quasilinear elliptic equations in the case of limit equations that are degenerate on the boundary JO - Differencialʹnye uravneniâ PY - 1994 SP - 1244 EP - 1258 VL - 30 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_7_a18/ LA - ru ID - DE_1994_30_7_a18 ER -