Denis, R.Y., Singh, S.N. and Singh, S.P. (2012) “On transformation formulae for theta hypergeometric functions”, Ukrains’kyi Matematychnyi Zhurnal, 64(7), pp. 994–1000. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2634 (Accessed: 5 December 2025).