Geodesic
On Exact Values of the Kolmogorov Width of Compact Sets in Hilbert Space
Matematičeskie zametki, Tome 72 (2002) no. 4, pp. 570-586

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A two-sided bound for the Kolmogorov width of compact sets in Hilbert space is established. The Kolmogorov width of a set of equidistant points in real Hilbert space and the 1-width of the continuous Wiener spiral are computed. 
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     author = {K. V. Uskov},
     title = {On {Exact} {Values} of the {Kolmogorov} {Width} of {Compact} {Sets} in {Hilbert} {Space}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {570--586},
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     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_72_4_a9/}
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K. V. Uskov. On Exact Values of the Kolmogorov Width of Compact Sets in Hilbert Space. Matematičeskie zametki, Tome 72 (2002) no. 4, pp. 570-586. http://geodesic.mathdoc.fr/item/MZM_2002_72_4_a9/