@TechReport{BD:97,
  Author = "Bungartz, Hans-Joachim and Dornseifer, Thomas",
  Title = "{Sparse Grids: Recent Developments For Elliptic Partial Differential Equations}",
  Institution = "{Technische Universit\"at M\"unchen}",
  Number = "SFB-Report 342/2/97",
  Year = 1997,
  DocumentURL = "http://www5.informatik.tu-muenchen.de/publikat/techber/sfb02_97.ps.gz"
}