Ananda-Rau, K. “On the Summation of Singular Series Associated With Certain Quadratic Forms (II)”. The Journal of the Indian Mathematical Society 25, no. 3-4 (December 1, 1961): 173–195. Accessed May 5, 2024. https://www.informaticsjournals.com/index.php/jims/article/view/22058.