, 1746-1754, 1984.

  [3] Mehrmann, V.
      The Autonomous Linear Quadratic Control Problem. Theory and
      Numerical Solution.
      Lect. Notes in Control and Information Sciences, vol. 163,
      Springer-Verlag, Berlin, 1991.

  [4] Sima, V.
      Algorithms for Linear-Quadratic Optimization.
      Pure and Applied Mathematics: A Series of Monographs and
      Textbooks, vol. 200, Marcel Dekker, Inc., New York, 1996.

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<A name="Numerical Aspects"><B><FONT SIZE="+1">Numerical Aspects</FONT></B><