VOLKOV, S.; RYAZANOV, V. On the theory of the boundary behavior of mappings of the Sovolev class on Riemann surfaces . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 10, p. 5–9, 2024. DOI: 10.15407/dopovidi2016.10.005. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/12832. Acesso em: 10 may. 2026.