GLADKA, Z. About solving the Korteweg–de Vries equation with step-like initial data . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 2, p. 7–13, 2025. DOI: 10.15407/dopovidi2015.02.007. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/13359. Acesso em: 25 may. 2025.