KOLBERG, O. Identities Involving the Partition Functions $q(n)$ and $q_0(n)$. Mathematica Scandinavica, Berkeley, CA, United States, v. 6, p. 80–86, 1958. DOI: 10.7146/math.scand.a-10538. Disponível em: https://journals.msp.org/mscand/article/view/2807. Acesso em: 25 jul. 2026.