@InProceedings{	  Griebel:1991*1,
  author	= {M.~Griebel},
  title		= {Parallel multigrid methods on sparse grids},
  booktitle	= { {Multigrid Methods III, International Series of Numerical
		  Mathematics}},
  volume	= {98},
  pages		= {211--221},
  publisher	= {Birkh\"auser Verlag, Basel},
  year		= {1991},
  note		= {Also as SFB Bericht, 342/30/90 A, Institut f\"{u}r
		  Informatik, TU M\"{u}nchen, 1990},
  annote	= {series}
}