A.-M. Acu and H. Gonska, “Classical Kantorovich operators revisited”, Ukr. Mat. Zhurn., vol. 71, no. 6, pp. 739–747, Jun. 2019, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1472