@article{TRSPY_1965_77_a7,
     author = {E. A. Volkov},
     title = {Differentiability properties of solutions of boundary value problems for the {Laplace} equation on a~polygon},
     journal = {Informatics and Automation},
     pages = {113--142},
     publisher = {mathdoc},
     volume = {77},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_77_a7/}
}