%0 Journal Article %A A. P. Kiselev %T High-frequency point sources in an inhomogeneous elastic medium %J Zapiski Nauchnykh Seminarov POMI %D 1980 %P 28-42 %V 99 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1980_99_a3/ %G ru %F ZNSL_1980_99_a3