@article{DAN_1983_273_3_a19,
     author = {A. Ya. Kazakov},
     title = {Inverse problems of the theory of radiation transport in a ball},
     journal = {Doklady Akademii Nauk},
     pages = {587--592},
     year = {1983},
     volume = {273},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_3_a19/}
}