TY - JOUR AU - G. I. Shishkin AU - L. P. Shishkina TI - A conservative difference scheme for a singularly perturbed elliptic reaction-diffusion equation: approximation of solutions and derivatives JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2010 SP - 665 EP - 678 VL - 50 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_4_a5/ LA - ru ID - ZVMMF_2010_50_4_a5 ER -