Grigorenko, A.Ya., T. L. Efimova, and Yu. A. Korotkih. “Numerical Solution of the Problem of Axisymmetric Free Vibrations of a Cylinder from Continuously Inhomogeneous Material With in the Spline-Approximation Method”. Reports of the National Academy of Sciences of Ukraine, no. 9 (February 6, 2025): 39–45. Accessed June 14, 2025. https://nasu-periodicals.org.ua/index.php/dp/article/view/15229.