[1]
V. F. Babenko and A. A. Ligun, “Generalization of some extremal properties of splines”, Ukr. Mat. Zhurn., vol. 47, no. 3, pp. 403–407, Mar. 1995, Accessed: Apr. 07, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5430