TY - JOUR AU - G. I. Shishkin TI - Grid approximation of a singularly perturbed elliptic equation with convective terms in the presence of various boundary layers JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2005 SP - 110 EP - 125 VL - 45 IS - 1 UR - http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_1_a7/ LA - ru ID - ZVMMF_2005_45_1_a7 ER -