GAMMELGAARD, Anders. Reuse of Invariants in Proofs of Implementation. DAIMI Report Series, [S. l.], v. 20, n. 360, 1991. DOI: 10.7146/dpb.v20i360.6591. Disponível em: https://tidsskrift.dk/daimipb/article/view/6591. Acesso em: 8 dec. 2025.