DenisR. Y., SinghS. N., and SinghS. P. “On Transformation Formulae for Theta Hypergeometric Functions”. Ukrains’kyi Matematychnyi Zhurnal 64, no. 7 (July 25, 2012): 994-1000. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2634.