V. F. Babenko and . M. B. Vakarchuk, “On inequalities of Kolmogorov-Hörmander type for functions bounded on a discrete net”, Ukr. Mat. Zhurn., vol. 49, no. 7, pp. 988–992, Jul. 1997, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5090