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@ARTICLE{Castro:47286,
      author       = {Castro, Manuel and Frings, Jörn Thies and Noelle,
                      Sebastian and Pares, Carlos and Puppo, Gabriella},
      title        = {{O}n the hyperbolicity of two- and three-layer shallow
                      water equations},
      volume       = {Nr. 314},
      address      = {Aachen},
      publisher    = {RWTH Aachen Univ., IGPM},
      reportid     = {RWTH-CONV-008099},
      series       = {Bericht / Institut für Geometrie und Praktische Mathematik
                      der Rheinisch-Westfälischen Technischen Hochschule Aachen},
      pages        = {8 S. : graph. Darst.},
      year         = {2010},
      cin          = {110000 / 111520},
      cid          = {$I:(DE-82)110000_20140620$ / $I:(DE-82)111520_20140620$},
      typ          = {PUB:(DE-HGF)25},
      url          = {https://publications.rwth-aachen.de/record/47286},
}