TEAM, S. Some Approximation Theorems by De La Vallee-Pousin Mean: Saleh Abdullah Rasheed Al-Mezel. Thai Journal of Mathematics, [S. l.], v. 9, n. 3, p. 563–570, 2011. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/285. Acesso em: 4 may. 2024.