1. A memoir on the theory of matrices;Cayley;Philos. Trans. Roy. Soc. London,1858
2. The arithmetic of powers and roots in Gl2(C) and Sl2(C);Damphousse;Fibonacci Quart.,1989
3. Roots of real matrices;Denman;Linear Algebra Appl.,1981
4. Modern Algebraic Theories;Dickson,1926
5. On the matrix equation f(X)=A;Evard;Linear Algebra Appl.,1992