@article{DE_1984_20_5_a9,
     author = {D. S. Anikonov},
     title = {Multidimensional inverse problems for the transport equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {817--824},
     publisher = {mathdoc},
     volume = {20},
     number = {5},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_5_a9/}
}