Minimizing the Eigenvalue Ratio for the $p$-Laplacian Operator. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 7, n. 6, p. 2213–2223, 2025. DOI: 10.12150/jnma.2025.2213. Disponível em: https://global-sci.com/index.php/jnma/article/view/23330. Acesso em: 5 dec. 2025.