CATTANI, G. L.; WINSKEL, G. Profunctors, Open Maps and Bisimulation. BRICS Report Series, [S. l.], v. 11, n. 22, 2004. DOI: 10.7146/brics.v11i22.21847. Disponível em: https://tidsskrift.dk/brics/article/view/21847. Acesso em: 25 apr. 2024.