S. Mattoo, M. A. Bhat, and R. Kumar, “On operators preserving inequalities between polynomials”, NWEJM, no. 8, pp. 187–195, Oct. 2022, Accessed: Oct. 18, 2024. [Online]. Available: https://nwejm.univ-lille.fr/index.php/nwejm/article/view/15