KLOVE, Torleiv. The minimal range of additive $h$-bases. Mathematica Scandinavica, Berkeley, CA, United States, v. 53, p. 157–177, 1983. DOI: 10.7146/math.scand.a-12023. Disponível em: https://journals.msp.org/mscand/article/view/1645. Acesso em: 25 jul. 2026.