@book{GawehnFunk,
  author    = {Gawehn, Wilfried and Funk, Steffen},
  title     = {Finite Elemente Methode},
  language  = {de}
}
@book{Gawehn2017,
  author    = {Gawehn, Wilfried},
  title     = {Fundamente der Mathematik},
  url       = {http://nbn-resolving.de/urn:nbn:de:bsz:959-opus-4264},
  pages     = {1660},
  year      = {2017},
  abstract  = {Grundlagen der Mathematik f{\"u}r Studenten der Mathematik, Physik und Informatik},
  language  = {de}
}
@book{Gawehn2019,
  author    = {Gawehn, Wilfried},
  title     = {Ein mathematisches Fundament},
  editor    = {Gawehn, Wilfried},
  isbn      = {978-3-8789-8426-9},
  url       = {http://nbn-resolving.de/urn:nbn:de:bsz:959-opus-14841},
  pages     = {1908},
  year      = {2019},
  abstract  = {Grundlagen der Mathematik f{\"u}r Studenten der Mathematik, Physik und Informatik},
  subject      = {Mathematik},
  language  = {de}
}
@book{Gawehn,
  author    = {Gawehn, Wilfried},
  title     = {Mathematik-Fundamente},
  language  = {de}
}