Rahimi, A., Faroughi, M.H. and Abdollahpour, M.R. (2007) “$pg$-frame in Banach spaces”, Methods of Functional Analysis and Topology, 13(3), pp. 201–210. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/349 (Accessed: 16 December 2025).