TY - JOUR AU - A. O. Vatulyan AU - V. O. Yurov TI - On the properties of the dispersion set for an inhomogeneous cylindrical waveguide JO - Vladikavkazskij matematičeskij žurnal PY - 2018 SP - 50 EP - 60 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2018_20_1_a5/ LA - ru ID - VMJ_2018_20_1_a5 ER -