Geodesic
Order of the orthoprojection widths of the anisotropic Nikol'skii--Besov classes in the anisotropic Lorentz space
Eurasian mathematical journal, Tome 7 (2016) no. 3, pp. 8-16.

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In this paper we estimate the order of the orthoprojection widths of the anisotropic Nikol'skii–Besov classes in the anisotropic Lorentz space. 
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K. A. Bekmaganbetov; Ye. Toleugazy. Order of the orthoprojection widths of the anisotropic Nikol'skii--Besov classes in the anisotropic Lorentz space. Eurasian mathematical journal, Tome 7 (2016) no. 3, pp. 8-16. http://geodesic.mathdoc.fr/item/EMJ_2016_7_3_a2/

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