@article{ZNSL_1999_257_a0,
     author = {V. M. Babich and V. V. Kamotskii},
     title = {On computation of the diagram of the wave, scattered by the vertex of a~cone of arbitrary shape},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--15},
     publisher = {mathdoc},
     volume = {257},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_257_a0/}
}