@article{ZNSL_1994_218_a0,
     author = {V. M. Babich},
     title = {Diffraction of plane wave by a~narrow cone in the case of {Dirichlet} boundary condition},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {3--11},
     publisher = {mathdoc},
     volume = {218},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_218_a0/}
}