%0 Journal Article %A V. B. Bukashkin %A V. G. Sushko %T Asymptotic expansion with respect to the small parameter of the solution of an equation of elliptic type with a discontinuous coefficient and right-hand side %J Differencialʹnye uravneniâ %D 1990 %P 1636-1637 %V 26 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_9_a21/ %G ru %F DE_1990_26_9_a21