Jain, P. K., Arora, K. K. and Sinha, D. P. (1999) “On Banach Spaces of the Smallest Uncountable Density With PRI”, The Journal of the Indian Mathematical Society, 66(1-4), pp. 185–191. Available at: http://informaticsjournals.com/index.php/jims/article/view/21989 (Accessed: 3 May 2024).