TY - JOUR AU - G. I. Shishkin AU - L. P. Shishkina TI - Improved approximations of the solution and derivatives to a singularly perturbed reaction-diffusion equation based on the solution decomposition method JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2011 SP - 1091 EP - 1120 VL - 51 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_6_a10/ LA - ru ID - ZVMMF_2011_51_6_a10 ER -