LAL, S. ON DEGREE OF APPROXIMATION OF FUNCTIONS BELONGING TO THE WEIGHTED $(L^p, \xi(t))$ CLASS BY $(C, 1)(E, 1)$ MEANS. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 1, p. 47–52, 1999. DOI: 10.5556/j.tkjm.30.1999.4205. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4205. Acesso em: 22 jul. 2024.