SAMOILENKO, A. M.; STEPANENKO, N. V. On Some Properties of the Behavior of Linear Extensions of Dynamical Systems on a Torus under Perturbation of Phase Variables. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 3, p. 408–412, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4077. Acesso em: 5 dec. 2025.