DUAN, Xiaojun; LIN, Yi. Systems Dened on Dynamic Sets and Analysis of Their Characteristics. Advances in Systems Science and Applications, [S. l.], v. 13, n. 1, p. 21–36, 2013. Disponível em: https://ijassa.ipu.ru/index.php/ijassa/article/view/425. Acesso em: 4 dec. 2024.