NIGAM, H. K. Degree of Approximation of a Function Belonging to Lip(x (t), r) Class by (E,1)(C,2) Summability Means. Asian Journal of Fuzzy and Applied Mathematics, [S. l.], v. 1, n. 3, 2013. Disponível em: https://ajouronline.com/index.php/AJFAM/article/view/405. Acesso em: 29 mar. 2024.