@article{SM_2021_212_10_a3,
     author = {D. V. Korikov},
     title = {Asymptotics of the scattering operator for the wave equation in a~singularly perturbed domain},
     journal = {Sbornik. Mathematics},
     pages = {1436--1470},
     publisher = {mathdoc},
     volume = {212},
     number = {10},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2021_212_10_a3/}
}