GRINCHENKO, V.; GORODETSKA, N. On the specific features of the spectrum of eigenmodes of elastic bodies . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 5, p. 22–27, 2024. DOI: 10.15407/dopovidi2018.05.022. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2785. Acesso em: 23 dec. 2024.