Geodesic
Pointwise strong approximation of almost periodic functions
Discussiones Mathematicae. Differential Inclusions, Control and Optimization, Tome 36 (2016) no. 1, pp. 45-63.

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We consider the class GM(₂β) in pointwise estimate of the deviations in strong mean of almost periodic functions from matrix means of partial sums of their Fourier series.
Keywords: almost periodic functions, rate of strong approximation, summability of Fourier series 
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Kranz, Radosława; Łenski, Włodzimierz; Szal, Bogdan. Pointwise strong approximation of almost periodic functions. Discussiones Mathematicae. Differential Inclusions, Control and Optimization, Tome 36 (2016) no. 1, pp. 45-63. http://geodesic.mathdoc.fr/item/DMDICO_2016_36_1_a2/

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