MARTYNYUK, A.; CHERNETSKAYA, L. On the asymptotic behavior of the solutions of nonstationary pseudolinear systems . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 64–70, 2025. DOI: 10.15407/dopovidi2014.12.064. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/17292. Acesso em: 1 may. 2026.