@article{TM_2006_255_a7,
     author = {E. A. Volkov},
     title = {Grid {Approximation} of the {First} {Derivatives} of the {Solution} to the {Dirichlet} {Problem} for the {Laplace} {Equation} on {a~Polygon}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {99--115},
     publisher = {mathdoc},
     volume = {255},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2006_255_a7/}
}