%0 Journal Article %A Kiriakie Kiriaki %T Low-Frequency Scattering Theory for a Penetrable Body in an Elastic Medium %J Ευκλείδης Γ %D 1989 %P 33-53 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/EUG_1989__23_a2/ %G gr %F EUG_1989__23_a2