@article{DAN_1962_142_5_a4,
     author = {V. K. Ivanov},
     title = {Integral equations of the first kind and approximate solution of the inverse problem of potential theory},
     journal = {Doklady Akademii Nauk},
     pages = {998--1000},
     year = {1962},
     volume = {142},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a4/}
}