Radchenko, O. Y. and Yanchenko, S. Y. (2019) “Approximative characteristics of the Nikol’skii – Besov classes of functions $S_{1, θ}^r B(\mathbb{R}^d)$”, Ukrains’kyi Matematychnyi Zhurnal, 71(10), pp. 1405-1421. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1523 (Accessed: 29March2024).