On the asymptotic behaviour of a modulus of continuity with discrete description

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On the asymptotic behaviour of a modulus of continuity with discrete description. (English). Mathematica Slovaca, vol. 45 (1995), issue 1, pp. 53-56

MSC: 26A15 | MR 1335840 | Zbl 0837.26004

References:

[1] DITZIAN Z., TOTIK V.: Moduli of Smoothness. Springer, New York, 1987. MR 0914149 | Zbl 0666.41001

[2] KORNEICHUK N. P.: Extremal Problems of Approximation Theory. (Russian), Nauka, Moscow, 1976. MR 0447934

[3] SENDOV B., POPOV V.: Averaged Moduli of Smoothness. (Russian), Mir, Moscow, 1988. MR 0954190 | Zbl 0653.65002

[4] TIMAN A. F.: Approximation Theory of Functions of Real Variable. (Russian), Gos. izd. fiz.-mat. lit., Moscow, 1960. MR 0117478

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