@article{DAN_1978_243_2_a6,
     author = {J. H. Bernstein and M. L. Gerver},
     title = {On a problem of integral geometry for a family of geodesies and on an inverse kinematic problem of the seismics},
     journal = {Doklady Akademii Nauk},
     pages = {302--305},
     publisher = {mathdoc},
     volume = {243},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_2_a6/}
}