PETTERSSON, Kerstin. Strong $n$-generators and the rank of some Noetherian one-dimensional integral domains. Mathematica Scandinavica, Berkeley, CA, United States, v. 85, n. 2, p. 184–194, 1999. DOI: 10.7146/math.scand.a-18271. Disponível em: https://journals.msp.org/mscand/article/view/936. Acesso em: 24 jul. 2026.