Lyapunov-Type Inequalities for Fractional $(p, q)$-Laplacian Systems. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 1, n. 3, p. 397–413, 2024. DOI: 10.12150/jnma.2019.397. Disponível em: https://www.global-sci.com/index.php/jnma/article/view/13531. Acesso em: 6 dec. 2025.