Bilgin, Tunay. “Matrix Transformations in the Sequence Spaces L_∞^V(P, S) and C_0^V(P,S)”. Annales Mathematicae Silesianae 16 (January 30, 2003): 7-16. Accessed May 19, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/14103.