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А.Б. Утесов 2021. Optimal recovery of functions from anisotropic Sobolev classes on a power – logarithmic scale. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series. 136, 3 (Sep. 2021), 37–41. DOI:https://doi.org/10.32523/2616-7182.