Ali, A. G. K., A. M Brono, and B. Sule. “Lacunary Statistical Delta 2 2-Quasi Cauchy Double Sequences”. International Journal Of Mathematics And Computer Research 9, no. 6 (June 19, 2021): 2313-2318. Accessed March 15, 2025. http://mail.ijmcr.in/index.php/ijmcr/article/view/329.