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, [S. l.], v. 40, n. 3, p. 648–689, 2021. DOI: 10.31577/cai_2021_3_648. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/2021_3_648. Acesso em: 27 apr. 2024.