Qureshi, M.I., and T.R. Shah. “Implementation of Summation Theorems of Andrews and Gessel-Stanton”. Bulletin of the Karaganda University. Mathematics Series 112, no. 4 (December 29, 2023): 95–104. Accessed October 14, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/608.