Esi, Ayhan, and Bipan Hazarika. “Some Ideal Convergence of Double ?-Interval Number Sequences Defined by Orlicz Function”. Global Journal of Mathematical Analysis 1, no. 3 (November 1, 2013): 110–116. Accessed May 15, 2025. https://mail.sciencepubco.com/index.php/GJMA/article/view/1461.