POPOVYCH, D. R. Flags of subalgebras in contracted Lie algebras. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 4, p. 9–17, 2021. DOI: 10.15407/dopovidi2021.04.009. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2021-4-2. Acesso em: 23 dec. 2024.