TY - JOUR AU - G. I. Shishkin AU - L. P. Shishkina TI - A Richardson scheme of an increased order of accuracy for a semilinear singularly perturbed elliptic convection-diffusion equation JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2010 SP - 458 EP - 478 VL - 50 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_3_a5/ LA - ru ID - ZVMMF_2010_50_3_a5 ER -