TY - JOUR AU - B. R. Vainberg TI - Scattering by periodically moving obstacles JO - Sbornik. Mathematics PY - 1992 SP - 289 EP - 304 VL - 73 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1992_73_1_a15/ LA - en ID - SM_1992_73_1_a15 ER -