“THE CYCLIC DECOMPOSITION OF THE FACTOR GROUP CFZ ( (n) 13 Z , Z) __ R ( (n) 13 Z )”. Al-Nahrain Journal of Science 11, no. 1 (April 1, 2008): 98–104. Accessed September 19, 2024. https://mail.anjs.edu.iq/index.php/anjs/article/view/1399.