STADNIK, O. I.; KHUSAINOV, D. Ya. Estimates of stability of desynchronized systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 1, p. 148–152, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5797. Acesso em: 5 dec. 2025.