Raghavan, S., and S. S. Rangachari. “On Ternary Quadratic Forms and Modular Forms”. The Journal of the Indian Mathematical Society 33, no. 2-4 (December 1, 1969): 187–206. Accessed November 8, 2024. https://informaticsjournals.co.in/index.php/jims/article/view/16757.