SAND, J. On Contractive Linear Multistep and One-Leg Methods. DAIMI Report Series, [S. l.], v. 12, n. 164, 1983. DOI: 10.7146/dpb.v12i164.7438. Disponível em: https://tidsskrift.dk/daimipb/article/view/7438. Acesso em: 9 may. 2024.