Alexandrovich, Iryna, Larisa Adzhubey, Andrii Ryzhenko, and Viktor Lyashko. “Robin’s Problem for a Fourth-Order Hyperbolic Equation”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics 82, no. 1 (June 5, 2026): 101–105. Accessed October 10, 2026. https://bphm.knu.ua/bphm/article/view/621.