AKISHEV, G. . On Orders of Approximation Functions of Generalized Mixed Smoothness in Lorentz Spaces. Sarajevo Journal of Mathematics, [S. l.], v. 15, n. 1, p. 81–96, 2022. DOI: 10.5644/SJM.15.01.08. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/50. Acesso em: 15 oct. 2024.