Khuder AH, Majeed AH. Centralizers and Double Centralizers for Prime and Semiprime -rings: . Iraqi Journal of Science [Internet]. 2024 Oct. 30 [cited 2025 Dec. 5];65(10):5629-37. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10323