@article{DAN_1997_353_1_a13,
     author = {I. \'E. Stepanova},
     title = {The integral equation of the three-dimensional structural inverse problem},
     journal = {Doklady Akademii Nauk},
     pages = {108--110},
     publisher = {mathdoc},
     volume = {353},
     number = {1},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_1_a13/}
}