@article{DAN_1969_186_1_a15,
     author = {A. G. Ramm},
     title = {Solving an integral equation of potential theory by an iteration method},
     journal = {Doklady Akademii Nauk},
     pages = {62--65},
     year = {1969},
     volume = {186},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_186_1_a15/}
}