TY - JOUR AU - G. I. Shishkin TI - A~problem for grid approximation of the diffusion flow in numerical modelling of pollution transport JO - Matematičeskoe modelirovanie PY - 1995 SP - 61 EP - 80 VL - 7 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1995_7_7_a4/ LA - ru ID - MM_1995_7_7_a4 ER -