@article{DAN_1974_214_4_a18,
     author = {V. M. Markushevich and E. L. Reznikov},
     title = {Solving of an inverse problem of geometric seismics with a priori restriction of the velocity},
     journal = {Doklady Akademii Nauk},
     pages = {803--806},
     publisher = {mathdoc},
     volume = {214},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_4_a18/}
}