PozharskaK., Romanyuk A. and YanchenkoS. 2024. Best approximations for classes of periodic functions of many variables with bounded dominating mixed derivative. Ukrains’kyi Matematychnyi Zhurnal. 76, 7 (Aug. 2024), 1007 - 1023. DOI:https://doi.org/10.3842/umzh.v76i7.8307.