THẮNG, Đặng Quyết; HÂN, Nguyễn Đình; HUY, Phan Trung. Determining unambiguous degree of regular languages by automata. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 28, n. 1, p. 53–64, 2012. DOI: 10.15625/1813-9663/28/1/1065. Disponível em: https://vjs.ac.vn/jcc/article/view/1065. Acesso em: 5 dec. 2025.