Dubey, ShivKishan, and Narendra Kohli. “Enhancing Symbolic Manipulation through Pairing Primitive Recursive String Functions and Interplay With Generalized Pairing PRSF”. Mathematical Problems of Computer Science 60 (November 30, 2023): 27–34. Accessed September 28, 2024. http://93.187.165.2/index.php/mpcs/article/view/807.