TY - JOUR AU - U. H. Zhemuhov TI - Uniform grid approximation of nonsmooth solutions with improved convergence for a singularly perturbed convection-diffusion equation with characteristic layers JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2012 SP - 1633 EP - 1654 VL - 52 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2012_52_9_a5/ LA - ru ID - ZVMMF_2012_52_9_a5 ER -