Raj, Kuldip, Sunil K. Sharma, and Ajay K. Sharma. “Difference Sequence Spaces in $n$-Normed Spaces Defined by Musielak-Orlicz Function”. Armenian Journal of Mathematics 3, no. 3 (April 11, 2011): 127–141. Accessed March 7, 2025. https://armjmath.sci.am/index.php/ajm/article/view/75.