Abstract
This is a survey of results in a particular direction of the theory of strong approximation by orthogonal series, related mostly with author's contributions to the subject.
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Leindler, L. A survey of certain results on strong approximation by orthogonal series. centr.eur.j.math. 2, 448–477 (2004). https://doi.org/10.2478/BF02475239
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DOI: https://doi.org/10.2478/BF02475239