@article{TM_1976_140_a4,
     author = {E. A. Volkov},
     title = {The method of composite regular nets for the {Laplace} equation on polygons},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {68--102},
     year = {1976},
     volume = {140},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1976_140_a4/}
}