RÖDSETH, Öystein J. On $h$-bases for $n$ II. Mathematica Scandinavica, Berkeley, CA, United States, v. 51, p. 5–21, 1982. DOI: 10.7146/math.scand.a-11960. Disponível em: https://journals.msp.org/mscand/article/view/1686. Acesso em: 25 jul. 2026.