Ahmed, B.A., and M.M. Hilal. “Notes On The Non Linear Operator Equation I AXAX N  *”. Ibn AL-Haitham Journal For Pure and Applied Sciences 24, no. 1 (December 29, 2016). Accessed May 1, 2025. https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/878.