@article{DE_1968_4_11_a20,
     author = {Yu. A. Dement'ev},
     title = {An approximate method for solving the {Dirichlet} problem in space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2111--2116},
     publisher = {mathdoc},
     volume = {4},
     number = {11},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_11_a20/}
}