@article{DAN_1984_277_3_a11,
     author = {A. B. Khasanov},
     title = {An inverse problem in scattering theory for a system of two},
     journal = {Doklady Akademii Nauk},
     pages = {559--562},
     year = {1984},
     volume = {277},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_3_a11/}
}