@article{ZNSL_2019_483_a4,
     author = {G. L. Zavorokhin and A. A. Matskovskiy},
     title = {A nonstationary problem of diffraction of acoustic waves from a point source by an interface of two half-planes with positive effective curvature},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {69--78},
     publisher = {mathdoc},
     volume = {483},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_483_a4/}
}