Stability analysis of a Levin-Nohel type nonlinear differential system. Nonlinear Studies, [S. l.], v. 32, n. 2, p. 391–403, 2025. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/3814. Acesso em: 13 jan. 2026.