BOLOTOV, D. Topology of nonnegative curvature foliations on five-dimensional manifolds II . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 5, p. 7–10, 2025. DOI: 10.15407/dopovidi2014.05.007. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/16501. Acesso em: 10 may. 2026.