Grigorenko, A.Ya., M.Yu. Borysenko, O.V. Boychuk, S.O. Sperkach, and A.D. Bezuglaya. 2023. “Free Vibrations of Pentagonal Plates With a Hole”. Reports of the National Academy of Sciences of Ukraine, no. 1 (March). Kyiv, Ukraine:24-32. https://doi.org/10.15407/dopovidi2023.01.024.