Boichuk О. A.; Pokutnyi О. О. Bounded solutions of the nonlinear Lyapunov equation and homoclinic chaos. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 6, p. 761–773, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1474. Acesso em: 5 dec. 2025.