00688naa#a2200193#i#450# EN\\bibl\106896 20260313060447.5 1609-3143 20251231b2025####ek#y0engy0150####ca RU Mathematical Methods for Solving Physical Problems of Wave Propagation in Elastic Media Journal article Moscow Moscow Physical Society 2025 12 с. Journal article local Диэлектрическая проницаемость в целом. 537.226.1 Kalashnikov Nikolay Pavlovich Matronchik Aleksey Yur'evich Semenova Tat'yana Alekseevna pinhe.moomfo.ru