BARANNYK, A.; BARANNYK, T.; YURYK, I. Construction of exact solutions to nonlinear equations of the hyperbolic type . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 7, p. 3–9, 2024. DOI: 10.15407/dopovidi2017.07.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/7672. Acesso em: 18 apr. 2026.