@InCollection{	  Griebel.Huber.Rude.ea:1992,
  author	= {M. Griebel and W. Huber and U. R\"ude and T. St\"ortkuhl},
  title		= {The combination technique for parallel
		  sparse-grid-preconditioning or -solution of {PDE}s on
		  workstation networks},
  booktitle	= {Parallel Processing: CONPAR92-VAPP V},
  series	= {Lecture Notes in Computer Science 634},
  editor	= {L. Bouge and M. Cosnard and Y. Robert and D. Trystram},
  year		= {1992},
  publisher	= {Springer},
  address	= {Berlin},
  annote	= {series},
  pages		= {217--228}
}