THỦY, Nguyễn Thanh; CHI, Trinh Kim; SƠN, Phan Thanh. Investigations in weakly monotic F-rule systems. Journal of Computer Science and Cybernetics, [S. l.], v. 19, n. 3, p. 256–262, 2012. DOI: 10.15625/1813-9663/19/3/1532. Disponível em: https://vjs.ac.vn/jcc/article/view/1532. Acesso em: 30 apr. 2025.