Vaneeva, O.O. , Zhalij, O.Y. and Magda, O.V. 2022. Classification of Lie reductions of generalized Kawahara equations with variable coefficients. Reports of the National Academy of Sciences of Ukraine. 6 (Dec. 2022), 3–9. DOI:https://doi.org/10.15407/dopovidi2022.06.003.