@article{DAN_1991_316_1_a21,
     author = {Yu. E. Anikonov and I. Ya. Shneiberg},
     title = {The {Radon} transformation with variable absorption},
     journal = {Doklady Akademii Nauk},
     pages = {93--95},
     publisher = {mathdoc},
     volume = {316},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_1_a21/}
}