MARTYNYUK, A. On a method for estimating the solutions of quasilinear systems . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 2, p. 19–23, 2025. DOI: 10.15407/dopovidi2015.02.019. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/13368. Acesso em: 10 jan. 2025.