HUSBERG, Nisse. Categorial Heterogeneous Algebraic Models of Programming Languages. DAIMI Report Series, [S. l.], v. 12, n. 163, 1983. DOI: 10.7146/dpb.v12i163.7437. Disponível em: https://tidsskrift.dk/daimipb/article/view/7437. Acesso em: 5 feb. 2026.