BARREIRA, L.; FAN, M.; VALLS, C.; ZHANG, J. Robustness of nonuniform polynomial dichotomies for difference equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 37, n. 2, p. 357–376, 2011. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.018. Acesso em: 27 mar. 2023.