ANDERSEN, H. R.; STIRLING, C.; WINSKEL, G. A Compositional Proof System for the Modal mu-Calculus. BRICS Report Series, [S. l.], v. 5, n. 40, 1998. DOI: 10.7146/brics.v5i40.19485. Disponível em: https://tidsskrift.dk/brics/article/view/19485. Acesso em: 26 apr. 2024.