PHÀN, V. N. Some issues challenging the control theory. Journal of Computer Science and Cybernetics, [S. l.], v. 20, n. 3, p. 219–226, 2012. DOI: 10.15625/1813-9663/20/3/1483. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1483. Acesso em: 19 may. 2024.