%0 Journal Article %A S. V. Tikhovskaya %T Investigation of a two-grid method of improved accuracy for the elliptic reaction–diffusion equation with boundary layers %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 2015 %P 60-74 %V 157 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_2015_157_1_a6/ %G ru %F UZKU_2015_157_1_a6