Combined Boundary Problem of 2D in the Geometrical Middle -1D in the Middle-1D Multi-Point type in the Non-Classical Treatment for 4D Bianchi Equation with Non-Smooth Coefficients, Arising in the Modeling of Vibration Processes and Integral Representation. MCIT [інтернет]. 06, Листопад 2025 [цит. за 03, Квітень 2026];(8):239-46. доступний у: https://mcitdoc.org.ua/index.php/ITConf/article/view/682