@article{DAN_1987_292_6_a16,
     author = {A. G. Kyurkchan},
     title = {Analytic continuation of a wave field in the problem of scattering},
     journal = {Doklady Akademii Nauk},
     pages = {1350--1355},
     publisher = {mathdoc},
     volume = {292},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_6_a16/}
}