CASTELLANI, I.; ZHANG, G. Q. Parallel Product of Event Structures. DAIMI Report Series, [S. l.], v. 18, n. 285, 1989. DOI: 10.7146/dpb.v18i285.6663. Disponível em: https://tidsskrift.dk/daimipb/article/view/6663. Acesso em: 8 may. 2024.