ALI, N. A.; YANCHUK, S. V. Conditions for exponential stability and dichotomy of pulse linear extensions of dynamical systems on a torus. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 3, p. 451–453, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4948. Acesso em: 5 dec. 2025.