ERNST, E.; OSTERMANN, K.; COOK, W. A Virtual Class Calculus. DAIMI Report Series, [S. l.], v. 34, n. 577, 2005. DOI: 10.7146/dpb.v34i577.7225. Disponível em: https://tidsskrift.dk/daimipb/article/view/7225. Acesso em: 23 nov. 2024.