Geodesic
Value of $n$-width of some classes of analytic functions in the Bergman space $B_{2}$
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 3 (2024), pp. 11-19
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The sharp values of some known $n$-widths of classes of functions analytical in a unit disk in the Bergman space given by characteristic of smoothness $\Lambda_m(f)$ and majorant $\Phi$ satisfying certain restrictions were found. 
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M. Sh. Shabozov; A. A. Shabozova; E. U. Kadamshoev. Value of $n$-width of some classes of analytic functions in the Bergman space $B_{2}$. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 3 (2024), pp. 11-19. http://geodesic.mathdoc.fr/item/VMUMM_2024_3_a1/

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