@incollection{Mueller2021,
  author    = {Jens M{\"u}ller},
  title     = {Die Einheit des Programms/A unified program},
  series = {Celestino Piatti : Alles, was ich male, hat Augen/Everything I paint has eyes},
  publisher = {dtv Verlagsgesellschaft},
  address   = {M{\"u}nchen},
  pages     = {225 -- 229},
  year      = {2021},
  language  = {und}
}