%0 Journal Article %A Kiriakie Kiriaki %T Low-Frequency Scattering Theory for a Penetrable Body in an Elastic Medium %J Μαθηματική Επιθεώρηση %D 1981 %P 33-53 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/MR_1981__23_a2/ %G gr %F MR_1981__23_a2