NICKLASSON, Lisa. Subalgebras generated in degree two with minimal Hilbert function. Mathematica Scandinavica, Berkeley, CA, United States, v. 127, n. 1, p. 5–27, 2021. DOI: 10.7146/math.scand.a-122603. Disponível em: https://journals.msp.org/mscand/article/view/162. Acesso em: 24 jul. 2026.