Vaneeva, O.O., and A.Yu. Zhalij. “Lie Symmetries of Generalized Kawahara Equations”. Reports of the National Academy of Sciences of Ukraine, no. 12 (March 28, 2024): 3–10. Accessed April 30, 2026. https://nasu-periodicals.org.ua/index.php/dp/article/view/2020-12-1.