%0 Journal Article %A K. V. Emel'yanov %T A difference scheme for a singularly perturbed boundary value %J Doklady Akademii Nauk %D 1986 %P 269-272 %V 286 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a1/ %G ru %F DAN_1986_286_2_a1