MAZURKIEWICZ, A. Concurrent Program Schemes and their Interpretations. DAIMI Report Series, [S. l.], v. 6, n. 78, 1977. DOI: 10.7146/dpb.v6i78.7691. Disponível em: https://tidsskrift.dk/daimipb/article/view/7691. Acesso em: 8 may. 2024.