@article{DAN_1957_115_1_a15,
     author = {Yu. A. Shashkin},
     title = {On uniqueness in the inverse problem of the potential theory},
     journal = {Doklady Akademii Nauk},
     pages = {64--66},
     publisher = {mathdoc},
     volume = {115},
     number = {1},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_1_a15/}
}