1. A multishift algorithm for the numerical solution of algebraic Riccati equations;Ammar;Electron. Trans. Numer. Anal.,1993
2. On Hamiltonian and symplectic Hessenberg forms;Ammar;Linear Algebra Appl.,1991
3. P. Benner, Contributions to the numerical solutions of algebraic Riccati equations and related eigenvalue problems, PhD thesis, Fakultät für Mathematik, TU Chemnitz-Zwickau, Chemnitz, Germany, 1997.
4. P. Benner, A.J. Laub, V. Mehrmann, A collection of benchmark examples for the numerical solution of algebraic Riccati equations I: Continuous-time case, Tech. Report SPC 95_22, Fakultät für Mathematik, TU Chemnitz–Zwickau, 09107 Chemnitz, FRG, 1995. Available from http://www.tu-chemnitz.de/sfb393/spc95pr.html.
5. P. Benner, A.J. Laub, V. Mehrmann, A collection of benchmark examples for the numerical solution of algebraic Riccati equations II: Discrete-time case, Tech. Report SPC 95_23, Fakultät für Mathematik, TU Chemnitz–Zwickau, 09107 Chemnitz, FRG, 1995. Available from http://www.tu-chemnitz.de/sfb393/spc95pr.html.