Sabah N, Sherouk Awad Khalaf. Accounts for the groups SL(2,U), U = 41 and 43. QJPS [Internet]. 2021Jul.5 [cited 2026Jan.18];26(4):31-4. Available from: https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/1353