NIELSON, H. R.; NIELSON, F. Iterative Algorithms for Fixed Point Comutation. DAIMI Report Series, [S. l.], v. 22, n. 441, 1993. DOI: 10.7146/dpb.v22i441.7954. Disponível em: https://tidsskrift.dk/daimipb/article/view/7954. Acesso em: 9 may. 2024.