On Jackson-Type Inequalities for Functions Defined on a Sphere

By Babenko V.   Doronin V.   Ligun A.   Shumeiko A.  

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

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Convexity, moduli of smoothness and a Jackson-type inequality

By Ditzian Z.   Prymak A.  

Acta Mathematica Hungarica, Vol. 130, Iss. 3, 2011-02 ,pp. : 254-285

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On a Jackson-Type Inequality in the Approximation of a Function by Linear Summation Methods in the Space L 2

By Bozhukha L. N.  

Ukrainian Mathematical Journal, Vol. 55, Iss. 4, 2003-04 ,pp. : 648-659

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Jackson-Type Inequalities in the Space Sp

By Voitsekhivs'kyi V. R.  

Ukrainian Mathematical Journal, Vol. 55, Iss. 9, 2003-09 ,pp. : 1410-1422

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

By Ligun A.   Doronin V.  

Ukrainian Mathematical Journal, Vol. 61, Iss. 1, 2009-01 ,pp. : 112-120

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