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@INBOOK{Koecher:1030067,
      author       = {Koecher, Max and Krieg, Aloys},
      title        = {{T}he {H}ecke–{P}etersson theory},
      address      = {Berlin, Heidelberg},
      publisher    = {Springer Berlin Heidelberg},
      reportid     = {RWTH-2026-02746},
      series       = {Universitext},
      pages        = {215-274},
      year         = {2025},
      comment      = {Elliptic Functions and Modular Forms / Max Koecher, Aloys
                      Krieg},
      booktitle     = {Elliptic Functions and Modular Forms /
                       Max Koecher, Aloys Krieg},
      cin          = {114110 / 110000},
      cid          = {$I:(DE-82)114110_20140620$ / $I:(DE-82)110000_20140620$},
      typ          = {PUB:(DE-HGF)7},
      doi          = {10.1007/978-3-662-71224-5_4},
      url          = {https://publications.rwth-aachen.de/record/1030067},
}