TY - JOUR AU - D. A. Zakora TI - Spectral properties of operators in the problem on normal oscillations of~a~mixture of viscous compressible fluids JO - Contemporary Mathematics. Fundamental Directions PY - 2023 SP - 73 EP - 97 VL - 69 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2023_69_1_a5/ LA - ru ID - CMFD_2023_69_1_a5 ER -