@article{DAN_1978_239_5_a3,
     author = {E. A. Volkov},
     title = {On the solution of {Laplace's} equation on a parallelepiped with discontinuous boundary conditions by methods of uniform and composite grids},
     journal = {Doklady Akademii Nauk},
     pages = {1029--1032},
     year = {1978},
     volume = {239},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_5_a3/}
}