@article{DAN_1957_114_3_a0,
     author = {N. S. Bakhvalov},
     title = {A method for an approximate solution of {Laplace's} equation},
     journal = {Doklady Akademii Nauk},
     pages = {455--458},
     publisher = {mathdoc},
     volume = {114},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_3_a0/}
}