TY - JOUR AU - S. A. Nazarov TI - Construction of a trapped mode with a small frequency in an elastic waveguide JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2020 SP - 41 EP - 57 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2020_54_1_a3/ LA - ru ID - FAA_2020_54_1_a3 ER -