On Approximation of Signals in the Generalized Zygmund Class Using (E,r)(N,qn) Mean of Conjugate Derived Fourier Series. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 5, p. 1325–1336, 2020. DOI: 10.29020/nybg.ejpam.v13i5.3714. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3714. Acesso em: 22 dec. 2024.