TY - JOUR AU - A. E. Kovtanyuk AU - E. V. Mal'tseva TI - The effect of different factors on the accuracy of a~diffusion approximation of the transport equation in the plane-parallel case JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2003 SP - 40 EP - 50 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2003_6_1_a5/ LA - ru ID - SJIM_2003_6_1_a5 ER -