@article{ZNSL_1986_156_a2,
     author = {M. I. Belishev and Ya. V. Kurylev},
     title = {Inverse problem for acoustical scattering in space with local inhomogeneity},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {24--34},
     publisher = {mathdoc},
     volume = {156},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1986_156_a2/}
}