Asiri، A. M. K.، و Langley، J. (2012). The Determination of Solutions of Linear Differential Equations with Entire Coefficients from their Zeros (رسالة دكتوراه غير منشورة). University of Nottingham، نوتنغهام. مسترجع من http://search.mandumah.com/Record/600620
Asiri، Asim Mohammad Khalid، و Jim Langley. "The Determination of Solutions of Linear Differential Equations With Entire Coefficients From Their Zeros" رسالة دكتوراه. University of Nottingham، نوتنغهام، 2012. مسترجع من http://search.mandumah.com/Record/600620