VANEEVA, O. O. .; ZHALIJ, O. Y. .; MAGDA, O. V. . Classification of Lie reductions of generalized Kawahara equations with variable coefficients. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 3–9, 2022. DOI: 10.15407/dopovidi2022.06.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2022-6-1. Acesso em: 12 may. 2025.