ĐỊNH, N. C. Topo method based synthesis of discrete control system with combined modulation. Journal of Computer Science and Cybernetics, [S. l.], v. 17, n. 4, p. 73–77, 2012. DOI: 10.15625/1813-9663/17/4/2295. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/2295. Acesso em: 3 may. 2024.