Kolomoitsev YS. On moduli of smoothness and Fourier multipliers in $L_p, 0 < <i>p</i> < 1$. Ukr. Mat. Zhurn. [Internet]. 2007Sep.25 [cited 2024Nov.24];59(9):1221–1238. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3383