Ranjana Shrivastava, Usha Gill, Kaleem A. Quraishi, and Z. A. Taqvi. “Some Multiple Series Identities and Their Hypergeometric Forms”. Malaya Journal of Matematik 3, no. 04 (October 1, 2015): 580–586. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/501.