AMARAL, F.M.; ALBERTO, L. F. C.; BRETAS, N. G. Stability boundary characterization of nonlinear autonomous dynamical systems in the presence of a type-zero saddle-node equilibrium point. Trends in Computational and Applied Mathematics, [S. l.], v. 11, n. 2, p. 111–120, 2010. DOI: 10.5540/tema.2010.011.02.0111. Disponível em: https://tema.sbmac.org.br/tema/article/view/95. Acesso em: 3 jul. 2024.