[1]
Hembars’kaS.B. and Zaderei P.V. 2022. Best orthogonal trigonometric approximations of the Nikol’skii – Besov-type classes of periodic functions in the space $B_{\infty,1}$. Ukrains’kyi Matematychnyi Zhurnal. 74, 6 (Jul. 2022), 772 - 783. DOI:https://doi.org/10.37863/umzh.v74i6.7070.