ZADOIANCHUK, N. V. H-solvability of the optimal control problem for a degenerate elliptic variational inequality . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 8, p. 21–27, 2025. DOI: 10.15407/dopovidi2015.08.021. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15139. Acesso em: 19 apr. 2026.