@article{DAN_1997_354_3_a1,
     author = {V. V. Volchkov},
     title = {Theorems on the injectivity of the {Radon} transform on spheres},
     journal = {Doklady Akademii Nauk},
     pages = {298--300},
     publisher = {mathdoc},
     volume = {354},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_354_3_a1/}
}