Zuhair Abd AL-Sada N. Intertwining approximation in space ,. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2018 Apr. 3 [cited 2024 Nov. 16];10(2):Math Page 64 - 69. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/376