KOSHLYAKOV, V. N.; MAKAROV, V. L. Structural Analysis of One Class of Dynamical Systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 8, p. 1089–1096, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4512. Acesso em: 5 dec. 2025.