Multiple Solutions for the Eigenvalue Problem of Nonlinear Fractional Differential Equations. Communications in Mathematical Research, [S. l.], v. 32, n. 2, p. 173–184, 2021. DOI: 10.13447/j.1674-5647.2016.02.10. Disponível em: https://gsp.tricubic.dev/cmr/article/view/8887. Acesso em: 15 mar. 2026.