Geodesic
Order estimates for the Kolmogorov widths of weighted Sobolev classes with restrictions on derivatives
Eurasian mathematical journal, Tome 11 (2020) no. 4, pp. 95-100.

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In this paper order estimates for the Kolmogorov widths of weighted Sobolev classes with restrictions on the derivatives of order $r$ and $0$ are obtained. The functions are defined on a John domain or on $\mathbb{R}^d$. 
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     title = {Order estimates for the {Kolmogorov} widths of weighted {Sobolev} classes with restrictions on derivatives},
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A. A. Vasil'eva. Order estimates for the Kolmogorov widths of weighted Sobolev classes with restrictions on derivatives. Eurasian mathematical journal, Tome 11 (2020) no. 4, pp. 95-100. http://geodesic.mathdoc.fr/item/EMJ_2020_11_4_a8/

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