AMTOFT, T.; NIELSON, F.; NIELSON, H. R.; AMMANN, J. Polymorphic Subtyping for Effect Analysis: The Semantics. DAIMI Report Series, [S. l.], v. 25, n. 502, 1996. DOI: 10.7146/dpb.v25i502.7031. Disponível em: https://tidsskrift.dk/daimipb/article/view/7031. Acesso em: 9 may. 2024.