[2].

</PRE>
<A name="References"><B><FONT SIZE="+1">References</FONT></B></A>
<PRE>
  [1] Bruinsma, N.A. and Steinbuch, M.
      A fast algorithm to compute the H-infinity-norm of a transfer
      function matrix.
      Systems & Control Letters, vol. 14, pp. 287-293, 1990.

  [2] Voigt, M.
      L-infinity-Norm Computation for Descriptor Systems.
      Diploma Thesis, Fakultaet fuer Mathematik, TU Chemnitz,
      http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201001050.

  [3] Benner, P., Sima, V. and Voigt, 