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Continue to ChatApproximation by Double Deferred Nörlund Means of Double Fourier Series for Lipschitz Functions - http://csj.cumhuriyet.edu.tr/tr/pub/csj/issue/39357/439832
Approximation by Double Deferred Nörlund Means of Double Fourier Series for Lipschitz Functions - http://csj.cumhuriyet.edu.tr/tr/pub/csj/issue/39357/439832