Grigorenko, A. , Borysenko, M. , Sperkach, S., Bezuglaya А. and Mikhrin, E. 2022. Numerical analysis of free vibration frequencies of pentagonal plates. Reports of the National Academy of Sciences of Ukraine. 6 (Dec. 2022), 36–45. DOI:https://doi.org/10.15407/dopovidi2022.06.036.