@misc{Burckhardt_Johann_Jakob_(1903–_)_Ludwig_1948,
 author={Burckhardt, Johann Jakob (1903– )},
 editor={Birkhäuser Verlag},
 copyright={Rights Reserved - Restricted Access},
 address={Basel},
 journal={Beihefte zur Zeitschrift "Elemente der Mathematik" ; 4},
 howpublished={online},
 year={1948},
 publisher={Verlag Birkhäuser},
 language={ger},
 type={Text},
 title={Ludwig Schläfli},
}