PARSON, L. A.; ROSEN, K. H. Hecke operators and Lambert series. MATHEMATICA SCANDINAVICA, [S. l.], v. 49, p. 5–14, 1981. DOI: 10.7146/math.scand.a-11918. Disponível em: https://www.mscand.dk/article/view/11918. Acesso em: 22 nov. 2024.