%0 Journal Article %A V. E. Volkov %T Asymptotically fast approximate methods for solving the Laplace difference equation in a cube %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1996 %P 90-97 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1996_36_5_a9/ %G ru %F ZVMMF_1996_36_5_a9