On Jackson-Type Inequalities for Functions Defined on a Sphere

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Ukrainian Mathematical Journal, Vol. 57, Iss. 3, 2005-03 ,pp. : 347-363

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Exact constants in Jackson-type inequalities for L 2 -approximation on an axis

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Jackson-type inequality on the sphere

By Ditzian Zeev  

Acta Mathematica Hungarica, Vol. 102, Iss. 1-2, 2004-01 ,pp. : 1-36

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Nonsymmetric approximations of classes of periodic functions by splines of defect 2 and Jackson-type inequalities

By Babenko V.   Parfinovich N.  

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Jackson-type inequalities and exact values of widths of classes of functions in the spaces S p , 1 ≤ p

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Ukrainian Mathematical Journal, Vol. 56, Iss. 5, 2004-05 ,pp. : 718-729

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