BORISENKO, A.; SUKHOREBSKA, D. A classification of simple closed geodesics on regular tetrahedra in the Lobachevsky space . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 4, p. 3–9, 2024. DOI: 10.15407/dopovidi2019.04.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2171. Acesso em: 14 jul. 2025.