%0 Journal Article %A G. R. Pogosyan %T The variation-difference scheme of solution of Dirichlet’s problem for elliptic pseudodifferential equations of second order %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1989 %P 11-17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1989_1_a2/ %G ru %F UZERU_1989_1_a2