%0 Journal Article %A N. S. Grigor'eva %T Short-wavelength asymptotic solution of the problem of a moving point source in a time-dependent inhomogeneous medium %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 42-51 %V 165 %U http://geodesic.mathdoc.fr/item/ZNSL_1987_165_a5/ %G ru %F ZNSL_1987_165_a5