TY - JOUR AU - Ch. Athanasiadis TI - Acoustic Scattering Theory for a Multi-Layered Scatterer in Low-Frequency JO - Mathematica balkanica PY - 1989 SP - 337 VL - 3 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1989_3_3-4_a9/ ID - MABA_1989_3_3-4_a9 ER -