@article{DAN_1981_258_3_a13,
     author = {A. S. Alekseev and V. A. Tcheverda},
     title = {On the asymptotic method for the solution of an inverse dynamic problem in the wave propagation theory},
     journal = {Doklady Akademii Nauk},
     pages = {565--566},
     publisher = {mathdoc},
     volume = {258},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_3_a13/}
}