PETKOV, I. The boundary behavior of homeomorphisms of the class Wloc1,1 on a plane by prime ends . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 19–23, 2025. DOI: 10.15407/dopovidi2015.06.019. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/14999. Acesso em: 1 may. 2026.