@article{ZNSL_1984_140_a3,
     author = {N. S. Grigor'eva},
     title = {Short-wave asymptotics of the solution of the problem of a~point source in an inhomogeneous moving medium},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {41--48},
     publisher = {mathdoc},
     volume = {140},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_140_a3/}
}