Chacha, Chacha S. “Elegant Iterative Methods for Solving a Nonlinear Matrix Equation X-A^* e^X A=I”. Tanzania Journal of Science 47, no. 3 (August 31, 2021): 1033–1040. Accessed May 2, 2024. http://www.tjs.udsm.ac.tz/index.php/tjs/article/view/766.