Yudin, Hlib, and Igor Orynyak. “Effective Decoupling Method for Derivation of Eigenfunctions for Closed Cylindrical Shell”. Mechanics and Advanced Technologies 7, no. 3 (99) (December 22, 2023): 271–278. Accessed December 21, 2024. https://journal.mmi.kpi.ua/article/view/282190.