GUTLYANSKIĬ, V. .; NESMELOVA, O. .; RYAZANOV, V. .; YEFIMUSHKIN, A. . Poincaré problem with measurable data for semilinear Poisson equation in the plane. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 4, p. 10–18, 2022. DOI: 10.15407/dopovidi2022.04.010. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2022-4-2. Acesso em: 23 dec. 2024.