@TechReport{	  it:2002-014,
  author	= {Samuel Sundberg and Lina von Sydow},
  title		= {Analysis of a semi-Toeplitz preconditioner for a
		  convection-diffusion problem},
  institution	= {Department of Information Technology, Uppsala University},
  department	= {Division of Scientific Computing},
  year		= {2002},
  number	= {2002-014},
  month		= apr,
  abstract	= {We have defined and analyzed a semi-Toeplitz
		  preconditioner for time-dependent and steady-state
		  convection-diffusion problems. The preconditioner exhibits
		  very good theoretical convergence properties. The analysis
		  is corroborated by numerical experiments. }
}