“Degree of Convergence of a Function in Generalized Zygmund Norm Using Karamata-Matrix (KλA) Product Operator”.
European Journal of Pure and Applied Mathematics 16, no. 2 (April 30, 2023): 1302–1317. Accessed February 23, 2026.
https://www.ejpam.com/ejpam/article/view/4756.