TY - JOUR AU - Kiriakie Kiriaki TI - Low-Frequency Scattering Theory for a Penetrable Body in an Elastic Medium JO - Ευκλείδης Γ PY - 1989 SP - 33 EP - 53 VL - 23 UR - http://geodesic.mathdoc.fr/item/EUG_1989_23_a2/ LA - gr ID - EUG_1989_23_a2 ER -