Abstract
For double trigonometric Fourier series, Moricz and Rhoades studied the rate of uniform approximation by Norlund means of the rectangular partial sums of double Fourier series of a function belonging to the class Lipα (0 0 and 1 p ∞ . In case p =∞ , by Lp we mean CW , the collection of the uniform W -continuous functions. Earlier results on one-dimensional Norlund means of the Walsh-Fourier series was given by Moricz and Siddiqi [16]. Mathematics subject classification (2010): 42C10.
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