@article{DAN_1995_342_1_a1,
     author = {E. A. Volkov},
     title = {A fast block method for solving the {Laplace} equation on polygons with nonlocal boundary conditions},
     journal = {Doklady Akademii Nauk},
     pages = {11--14},
     publisher = {mathdoc},
     volume = {342},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_342_1_a1/}
}