TY - JOUR AU - G. I. Shishkin TI - Grid approximation of singularly perturbed boundary value problems on locally refined meshes. Reaction-diffusion equations JO - Matematičeskoe modelirovanie PY - 1999 SP - 87 EP - 104 VL - 11 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1999_11_12_a8/ LA - ru ID - MM_1999_11_12_a8 ER -