BORISENKO, A.; DRACH, K. Comparison theorem for the support functions of hypersurfaces . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 3, p. 11–16, 2025. DOI: 10.15407/dopovidi2015.03.011. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/14039. Acesso em: 29 may. 2025.