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Lal S, Singh PN. Degree of approximation of conjugate of $ {Lip(\alpha,p)}$ function by ${(C,1)}$ ${(E,1)}$ means of conjugate of a Fourier series. Tamkang J. Math. [Internet]. 2002Sep.30 [cited 2022May24];33(3):269-74. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/331