@article{DAN_1983_270_1_a19,
     author = {D. Ya. Petrina},
     title = {Solution of a classical problem of electrostatics and the subtraction procedure},
     journal = {Doklady Akademii Nauk},
     pages = {78--82},
     year = {1983},
     volume = {270},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_1_a19/}
}