Open Access
@article{115502,
  author       = {Zehender, W. von},
  title        = {Die unbeweisbaren Axiome},
  journal      = {{Zeitschrift für Psychologie und Physiologie der 
                   Sinnesorgane}},
  year         = 1899,
  volume       = 19,
  pages        = {41-46},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit30537}
}
