[1]
S. B. Vakarchuk, “Jackson-Type Inequalities for the Special Moduli of Continuity on the Entire Real Axis and the Exact Values of Mean $ν$ - Widths for the Classes of Functions in the Space $L_2 (ℝ)$”, Ukr. Mat. Zhurn., vol. 66, no. 6, pp. 740–766, Jun. 2014, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2175