PHÀN, Vũ Ngọc. Some issues challenging the control theory. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 20, n. 3, p. 219–226, 2012. DOI: 10.15625/1813-9663/20/3/1483. Disponível em: https://jcc.vast.vn/jcc/article/view/1483. Acesso em: 4 nov. 2025.