%0 Journal Article %A G. R. Pogosyan %T A variational-difference method for solving the Dirichlet’s problem for pseudodifferential elliptic equation of arbitrary order %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1990 %P 26-32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1990_1_a3/ %G ru %F UZERU_1990_1_a3