JASSIM, S.K.; MOHAMED, N.J. Direct and Inverse Inequalities for Jackson Polynomials of 2-Periodic Bounded Measurable Functions in Locally Clobal Norms. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 23, n. 2, p. 141–151, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/948.. Acesso em: 14 aug. 2024.