Geodesic
Absolute convergence of Fourier series of functions of class $\operatorname{Lip}1$ and of functions of bounded variation
Izvestiya. Mathematics , Tome 76 (2012) no. 2, pp. 419-429.

Voir la notice de l'article provenant de la source Math-Net.Ru

We study problems of the absolute convergence of Fourier series with respect to general orthonormal systems for functions in certain classes.
Keywords: Fourier series, function of bounded variation, orthonormal system.
Mots-clés : Fourier coefficients 
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V. Sh. Tsagareishvili. Absolute convergence of Fourier series of functions of class $\operatorname{Lip}1$ and of functions of bounded variation. Izvestiya. Mathematics , Tome 76 (2012) no. 2, pp. 419-429. http://geodesic.mathdoc.fr/item/IM2_2012_76_2_a8/

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