ULLAH, ZAFAR; JAVAID, IMRAN; CHAUDHRY, MUHAMMAD ANWAR. Derivations involving centralizers. Utilitas Mathematica , [S. l.], v. 90, 2013. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/979. Acesso em: 8 may. 2026.