@article{DAN_1987_293_2_a20,
     author = {A. B. Goncharov},
     title = {Methods of integral geometry and the determination of the mutual},
     journal = {Doklady Akademii Nauk},
     pages = {355--358},
     publisher = {mathdoc},
     volume = {293},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a20/}
}