@article{DAN_1964_155_4_a3,
     author = {E. A. Volkov},
     title = {Effective error bounds by the method of nets for solutions of the {Dirichlet} problem for the {Laplace} equation on polygons},
     journal = {Doklady Akademii Nauk},
     pages = {735--738},
     publisher = {mathdoc},
     volume = {155},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a3/}
}