KOZEN, D.; ZAKS, S. Optimal Bounds for the Change-Making Problem. DAIMI Report Series, [S. l.], v. 20, n. 371, 1991. DOI: 10.7146/dpb.v20i371.6603. Disponível em: https://tidsskrift.dk/daimipb/article/view/6603. Acesso em: 9 may. 2024.