TY - JOUR AU - A. A. Arsen'ev TI - On the singularities of the analytic continuation and the resonance properties of a solution of the dispersion problem for the Helmholtz equation JO - Doklady Akademii Nauk PY - 1971 SP - 511 EP - 512 VL - 197 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_197_3_a0/ LA - ru ID - DAN_1971_197_3_a0 ER -