@article{DAN_1983_273_5_a2,
     author = {S. A. Voitsekhovskii and V. L. Makarov and A. A. Samarskii and T. G. Shablii},
     title = {On an estimate of the rate of convergence of difference solutions to generalized solutions of the {Dirichlet} problem for the {Helmholtz} equation in a convex polygon},
     journal = {Doklady Akademii Nauk},
     pages = {1040--1044},
     publisher = {mathdoc},
     volume = {273},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_5_a2/}
}