IBARGUEN MONDRAGON, E. Stability tests for dynamical systems and their applications. Revista SIGMA, [S. l.], v. 16, n. 1, p. 1–7, 2020. Disponível em: http://192.68.185.51/revistas/index.php/rsigma/article/view/5954. Acesso em: 29 ene. 2026.