ANICK, David J. The smallest singularity of a Hilbert series. Mathematica Scandinavica, Berkeley, CA, United States, v. 51, p. 35–44, 1982. DOI: 10.7146/math.scand.a-11962. Disponível em: https://journals.msp.org/mscand/article/view/1683. Acesso em: 25 jul. 2026.