@article{ZVMMF_1996_36_5_a9,
     author = {V. E. Volkov},
     title = {Asymptotically fast approximate methods for solving the {Laplace} difference equation in a cube},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {90--97},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1996_36_5_a9/}
}