Team, Support. “Szasz-Type Operators Which Preserves E0 and e2: Nadeem Rao, Abdul Wafi, Deepmala”. Thai Journal of Mathematics 19, no. 1 (March 1, 2021): 197–209. Accessed November 21, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1148.