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Widths of the Besov Classes B_p,θ^r(T^d)

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Mathematical Notes, 2001, Volume 69, Numbers 5-6, Pages 605-613

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Journal Article

On the diameters of some classes of analytic functions. I

S. B. Vakarchuk

Ukrainian Mathematical Journal, 1992, Volume 44, Number 3, Pages 283-291

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Absolute diameters and codiameters

A. S. Kochurov

Mathematical Notes, 1990, Volume 48, Number 1, Pages 647-652

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Widths of classes of finitely smooth functions in Sobolev spaces

S. N. Kudryavtsev

Mathematical Notes, 2005, Volume 77, Numbers 3-4, Pages 494-498

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Journal Article

Kolmogorov and linear widths of weighted Sobolev-type classes on a finite interval

V. N. Konovalov and D. Leviatan

Analysis Mathematica, 2002, Volume 28, Number 4, Pages 251-278

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Journal Article

Trigonometric diameters of the Sobolev classes W_p^r in the space L_q

V. E. Maiorov

Mathematical Notes, 1986, Volume 40, Number 2, Pages 590-597

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Special orthogonal splittings of L ₁^{2 k}

Gideon Schechtman

Israel Journal of Mathematics, 2004, Volume 139, Number 1, Pages 337-347

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The best approximation of classes w₁^r(I^s) in the space L_∞(I^s)

V. E. Maiorov

Mathematical Notes, 1976, Volume 19, Number 5, Pages 420-424

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Widths and distributions of values of the approximation functional on the sobolev spaces with measure

V. E. Mairrov

Constructive Approximation, 1996, Volume 12, Number 4, Pages 443-462

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Kolmogorov widths of weighted Sobolev classes on closed intervals

A. A. Vasil’eva

Mathematical Notes, 2008, Volume 84, Numbers 5-6, Pages 631-635

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