TY - JOUR AU - S. I. Kadchenko AU - L. S. Ryazanova TI - Algorithms for calculating the eigenvalues of initial-boundary value problems for a wave differential equation set in a graph with varying edges JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2024 SP - 29 EP - 34 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2024_16_4_a3/ LA - ru ID - VYURM_2024_16_4_a3 ER -