KLOVE, Torleiv. Recurrence Formulae for the Coefficients of Modular Forms. Mathematica Scandinavica, Berkeley, CA, United States, v. 26, p. 221–232, 1970. DOI: 10.7146/math.scand.a-10978. Disponível em: https://journals.msp.org/mscand/article/view/2348. Acesso em: 25 jul. 2026.