Ban, Đoàn Văn, and Dang Van Hung. “How Much Information of Concurrency Can Be Got from Firing Sequences in Petri Nets”. <i>Journal of Computer Science and Cybernetics</i> 12, no. 3 (April 6, 2016): 1–9. Accessed January 12, 2026. https://jcc.vast.vn/jcc/article/view/8079.