On Approximation of Signals in the Generalized Zygmund Class Using (E,r)(N,qn) Mean of Conjugate Derived Fourier Series. Eur. J. Pure Appl. Math. [Internet]. 2020 Dec. 27 [cited 2024 Apr. 29];13(5):1325-36. Available from: https://www.ejpam.com/index.php/ejpam/article/view/3714