%0 Journal Article %A G. I. Shishkin %T Grid approximation of the domain and solution decomposition method with improved convergence rate for singularly perturbed elliptic equations in domains with characteristic boundaries %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2005 %P 1196-1212 %V 45 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_7_a6/ %G ru %F ZVMMF_2005_45_7_a6