@article{FPM_1997_3_4_a14,
     author = {A. H. Begmatov},
     title = {Volterra-type problems of integral geometry over a family of rays in three-dimensional space},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {1109--1115},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1997_3_4_a14/}
}