1. Jordan canonical forms of matrices AB and BA;Bernau;Rend. Istit. Mat. Univ. Trieste,1988
2. Modern Graph Theory;Bollobás,1998
3. A note on companion matrices;Fiedler;Linear Algebra Appl.,2003
4. Elementary divisors of AB and BA;Flanders;Proc. Amer. Math. Soc.,1951
5. Order invariant spectral properties for several matrices;Furtado;Linear Algebra Appl.,2010