562889
9780691079301
In the theory of convergence and summability whether for ordinary Fourier series or other expansions emphasis is placed on the phenomenon of localization whenever such occurs, and in the present paper a certain aspect of this phenomenon will be studied for the problem of best approximation as well.Zygmund, Antoni is the author of 'Contributions to Fourier Analysis' with ISBN 9780691079301 and ISBN 0691079307.
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