Shrivastav, A. K. ., and N. A. . Herbert. “ON CERTAIN TRANSFORMATION FORMULAE FOR BASIC HYPERGEOMETRIC FUNCTIONS AND BIBASIC HYPERGEOMETRIC SERIES”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 4, no. 10, Oct. 2018, pp. 164-9, https://ijtimes.com/index.php/ijtimes/article/view/450.