1. A classification of linear controllable systems;Brunovsky;Kibernetika,1970
2. Matrix Theory;Gantmacher,1959
3. Similarity of operator blocks and canonical forms. I. General results, feedback equivalence and Kronecker indices;Gohberg,1980
4. Invariant Subspaces of Matrices with Applications;Gohberg,1986
5. Algebra Lineal;Puerta,1988