ANDERSEN, H. R.; STIRLING, C.; WINSKEL, G. A Compositional Proof System for the Modal mu-Calculus. BRICS Report Series, [S. l.], v. 1, n. 34, 1994. DOI: 10.7146/brics.v1i34.21609. Disponível em: https://tidsskrift.dk/brics/article/view/21609. Acesso em: 2 may. 2024.