%0 Journal Article %A M. M. Popov %T Asimptotics of the wave field in a vicinity of the axis of symmetry of a transversely isotopic homogeneous medium %J Zapiski Nauchnykh Seminarov POMI %D 2001 %P 199-211 %V 275 %U http://geodesic.mathdoc.fr/item/ZNSL_2001_275_a14/ %G ru %F ZNSL_2001_275_a14