@article{ZVMMF_1989_29_7_a7,
     author = {M. I. Belishev and Ya. V. Kurylev},
     title = {The inverse spectral problem of the scattering of plane waves in a half-space with local inhomogeneity},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1045--1056},
     year = {1989},
     volume = {29},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_7_a7/}
}