SAND, J.; ØSTERBY, O. Regions of Absolute Stability. DAIMI Report Series, [S. l.], v. 8, n. 102, 1979. DOI: 10.7146/dpb.v8i102.6518. Disponível em: https://tidsskrift.dk/daimipb/article/view/6518. Acesso em: 25 dec. 2024.