Andrievskii, V. V. “Application of Dzyadyk’s Polynomial Kernels in the Constructive Function Theory”. Ukrains’kyi Matematychnyi Zhurnal 71, no. 2 (February 25, 2019): 151–157. Accessed January 27, 2026. https://umj.imath.kiev.ua/index.php/umj/article/view/1427.