References
- B. Brent, Quadratic Minima and Modular Forms, Experiment. Math. 7 (1998), 257-274. https://doi.org/10.1080/10586458.1998.10504372
- B. Brent, Quadratic Minima and Modular Forms II, Acta. Arith. XCVI. 4 (2001), 381-387.
- C. L. Siegel, Berechnung von Zetafunktionen an ganzzahilgen Stellen, Nachr. Akad. Wiss. Goottingen Math.-Phys. Kl. II no 10 (1969), 87-102.