@article{DAN_1988_302_3_a19,
     author = {L. G. Velikanova and N. G. Preobrazhenskii},
     title = {Inversion formulas in emission tomography of an axisymmetric},
     journal = {Doklady Akademii Nauk},
     pages = {598--601},
     publisher = {mathdoc},
     volume = {302},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_302_3_a19/}
}