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@ARTICLE{Cheng:1012908,
      author       = {Cheng, Miranda C. N. and Duncan, John F. R. and Mertens,
                      Michael H.},
      title        = {{C}lass numbers, congruent numbers and umbral moonshine},
      journal      = {Journal of number theory},
      volume       = {277},
      issn         = {1096-1658},
      address      = {Orlando, Fla.},
      publisher    = {Elsevier},
      reportid     = {RWTH-2025-05261},
      pages        = {201-235},
      year         = {2025},
      cin          = {114710 / 110000},
      ddc          = {510},
      cid          = {$I:(DE-82)114710_20140620$ / $I:(DE-82)110000_20140620$},
      pnm          = {OAPKF - Open-Access-Publikation mit Unterstützung der RWTH
                      Aachen University (021000-OAPKF)},
      pid          = {G:(DE-82)021000-OAPKF},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001494735600001},
      doi          = {10.1016/j.jnt.2025.02.007},
      url          = {https://publications.rwth-aachen.de/record/1012908},
}