@article{DAN_1978_239_4_a7,
     author = {M. M. Lavrent'ev and H. Nimatov},
     title = {On a class of problems of integral geometry},
     journal = {Doklady Akademii Nauk},
     pages = {783--784},
     publisher = {mathdoc},
     volume = {239},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_4_a7/}
}