ZAYATS, V. Two approaches to the construction of optimal second-order numerical methods and their application to the analysis of oscillatory nonlinear systems . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 1, p. 37–42, 2025. DOI: 10.15407/dopovidi2014.01.037. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/17406. Acesso em: 19 apr. 2026.