@article{ZNSL_2001_275_a14,
     author = {M. M. Popov},
     title = {Asimptotics of the wave field in a~vicinity of the axis of symmetry of a~transversely isotopic homogeneous medium},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {199--211},
     year = {2001},
     volume = {275},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_275_a14/}
}