%0 Journal Article %A N. S. Smirnova %T An algorithm for determining the sum of multiple wave fields for arbitrary positions of the source and the receiver into an elastic medium %J Zapiski Nauchnykh Seminarov POMI %D 1994 %P 251-261 %V 210 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1994_210_a19/ %G ru %F ZNSL_1994_210_a19