@article{UZERU_1989_1_a2,
     author = {G. R. Pogosyan},
     title = {The variation-difference scheme of solution of {Dirichlet{\textquoteright}s} problem for elliptic pseudodifferential equations of second order},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {11--17},
     publisher = {mathdoc},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1989_1_a2/}
}