@article{MZM_2018_104_4_a1,
     author = {P. V. Babich and V. B. Levenshtam},
     title = {Recovery of a {Rapidly} {Oscillating} {Absolute} {Term} in the {Multidimensional} {Hyperbolic} {Equation}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {505--515},
     publisher = {mathdoc},
     volume = {104},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_104_4_a1/}
}