%0 Journal Article %A D. A. Tursunov %A U. Z. Erkebaev %T Asymptotic expansion of the solution of a perturbed elliptic equation when the limit equation has singular points %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2015 %P 26-34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2015_3_a3/ %G ru %F VTGU_2015_3_a3