Ukrainian Mathematical Journal

, Volume 26, Issue 3, pp 303–307 | Cite as

Classes of functions Ap (α, β) and Fourier coefficients

  • L. P. Kagadii
Brief Communications


Fourier Coefficient 
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Literature cited

  1. 1.
    G. Lorentz, “Fourier-Koeffizienten und Funktionenklassen,” Math. Z.,51, 135–150 (1948).Google Scholar
  2. 2.
    A. A. Konyushov, “On Lipshitz classes,” Izv. Akad. Nauk SSSR, Ser. Matem.,21, No. 3 (1957).Google Scholar
  3. 3.
    A. A. Konyuskov, “Best approximations by trigonometric polynomials and Fourier coefficients,” Matem. Sb.,44 (86), No. 1 (1958).Google Scholar
  4. 4.
    A. F. Timan and M. F. Timan, “Generalized modulus of continuity and best approximation in the mean,” Dokl. Akad. Nauk SSSR,71, No. 1 (1950).Google Scholar
  5. 5.
    A. A. Sigmund, Trigonometric Series [Russian translation], Vol. 2, Mir, Moscow (1965).Google Scholar

Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • L. P. Kagadii
    • 1
  1. 1.Dnepropetrovsk Metallurgical InstituteUSSR

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