Zeng Q. Language, Liveness and Fairness Invariant in Decomposition of Petri Net Based on the Index of Place. INFOCOMP Journal of Computer Science [Internet]. 2006 Mar. 1 [cited 2024 Oct. 5];5(1):11-8. Available from: http://177.105.60.18/index.php/infocomp/article/view/117