MARTYNYUK, A. Invariance of solutions of the set of regularized equations . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 12, p. 3–7, 2024. DOI: 10.15407/dopovidi2017.12.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/7828. Acesso em: 1 oct. 2024.