BRONO, A. M. and Ali, A. G. kachalla (2021) “I_2-Statistical Limit Superior and I_2–Statistical Limit Inferior for Double Sequences”, Journal of the Nigerian Mathematical Society, 39(3), pp. 323–333. Available at: https://ojs.ictp.it/jnms/index.php/jnms/article/view/323 (Accessed: 12 April 2021).