@article{DAN_1971_200_3_a15,
     author = {V. N. Strakhov},
     title = {Nonuniqueness of the solution of the plane inverse potential problem},
     journal = {Doklady Akademii Nauk},
     pages = {564--567},
     publisher = {mathdoc},
     volume = {200},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_3_a15/}
}