MARTYNYUK, A. Deviation of a set of trajectories from the state of equilibrium . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 10, p. 10–17, 2024. DOI: 10.15407/dopovidi2017.10.010. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/7779. Acesso em: 13 jul. 2025.