Degree of Convergence of a Function in Generalized Zygmund Norm Using Karamata-Matrix (KλA) Product operator. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 2, p. 1302–1317, 2023. DOI: 10.29020/nybg.ejpam.v16i2.4756. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4756.. Acesso em: 28 apr. 2024.