HUY, Phan Trung; NAM, Vũ Thành. Some ambiguous properties concerning codes. Journal of Computer Science and Cybernetics, [S. l.], v. 18, n. 3, p. 253–361, 2012. DOI: 10.15625/1813-9663/18/3/1586. Disponível em: https://vjs.ac.vn/jcc/article/view/1586. Acesso em: 30 apr. 2025.