TY - JOUR AU - A. A. Arsen'ev TI - Behaviour of the scattering amplitude of the Helmholtz resonator near a resonance JO - Sbornik. Mathematics PY - 2001 SP - 1259 EP - 1273 VL - 192 IS - 9 UR - http://geodesic.mathdoc.fr/item/SM_2001_192_9_a0/ LA - en ID - SM_2001_192_9_a0 ER -