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@ARTICLE{Gerds:230361,
      author       = {Gerds, Peter and Grasedyck, Lars},
      title        = {{S}olving an {E}lliptic {PDE} {E}igenvalue {P}roblem via
                      {A}utomated {M}ulti-{L}evel {S}ubstructuring and
                      {H}ierarchical {M}atrices},
      volume       = {390},
      address      = {Aachen},
      publisher    = {Institut für Geometrie und Praktische Mathematik},
      reportid     = {RWTH-CONV-010537},
      series       = {Bericht / Institut für Geometrie und Praktische Mathematik
                      der Rheinisch-Westfälischen Technischen Hochschule Aachen},
      pages        = {31 S.},
      year         = {2014},
      cin          = {110000 / 111620},
      ddc          = {510},
      cid          = {$I:(DE-82)110000_20140620$ / $I:(DE-82)111620_20140620$},
      typ          = {PUB:(DE-HGF)25},
      url          = {https://publications.rwth-aachen.de/record/230361},
}