Azar، L. E.، و Bataineh، A. (2007). Some Inequalities Involving π and an Application to an Inequality Similar to Hilbert's Inequality. مجلة المنارة للبحوث والدراسات، مج13, ع6 ، 125 - 133. مسترجع من http://search.mandumah.com/Record/770410
Azar، Laith Emil، و Ahmad Bataineh. "Some Inequalities Involving π and an Application to an Inequality Similar to Hilbert's Inequality." مجلة المنارة للبحوث والدراسات مج13, ع6 (2007): 125 - 133. مسترجع من http://search.mandumah.com/Record/770410