On the Lie Symmetry Analysis of the Seventh-Order Nonlinear Kaup–Kuperschmidt Equation. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 25, p. 138–152, 2026. DOI: 10.24297/8118qv89. Disponível em: https://www.rajpub.com/index.php/jam/article/view/9925. Acesso em: 4 oct. 2026.