MURACH, A. .; CHEPURUKHINA, I. . Elliptic problems with nonclassical coundary conditions in an extended Sobolev scale . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 8, p. 3–10, 2024. DOI: 10.15407/dopovidi2020.08.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2020-8-1. Acesso em: 19 apr. 2026.