Čapkovič, František. “Modelling and Control of Resource Allocation Systems Within Discrete Event Systems by Means of Petri Nets – Part 1: Invariants, Siphons and Traps in Deadlock Avoidance”. Computing and Informatics 40, no. 3 (November 30, 2021): 648–689. Accessed November 22, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2021_3_648.