Summary
In this paper the author has proved that the |C, 2| summability of the first derived series of Fourier series is not the local property of the generating function and further he has investigated the condition under which it becomes the local property.
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Lal, S.N. An aspect of local property of |C, 2 | summability of the derived Fourier series. Annali di Matematica 59, 65–75 (1962). https://doi.org/10.1007/BF02411726
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DOI: https://doi.org/10.1007/BF02411726