Hussain Battor, Ali, Dhuha Abdulameer Kadhim, and Zainab Hayder Hasan. “Some Difference Double Sequences Spaces With Respect to Double Orlicz Function”. International Journal of Engineering and Technology 7, no. 3.27 (August 15, 2018): 663–667. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/20183.