ØSTERBY, O. Step Change Strategies for Multistep Methods. DAIMI Report Series, [S. l.], v. 14, n. 196, 1985. DOI: 10.7146/dpb.v14i196.7468. Disponível em: https://tidsskrift.dk/daimipb/article/view/7468. Acesso em: 9 may. 2024.