@article{DAN_1987_295_6_a15,
     author = {S. Yu. Dobrokhotov and A. I. Shafarevich},
     title = {Quasiclassical asymptotics in the problem of the scattering of},
     journal = {Doklady Akademii Nauk},
     pages = {1347--1351},
     publisher = {mathdoc},
     volume = {295},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a15/}
}