[1]
P. Y. Kiselev, “On a condition of convergence of interpolational polynomials”, Ukr. Mat. Zhurn., vol. 18, no. 3, pp. 124–128, Apr. 1966, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8747