NIZHNIK, I. L. Stable solutions of a system of two connected Chua cells. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 11, p. 1567–1569, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4811. Acesso em: 5 dec. 2025.