@misc{Zeuthen_Hieronymus_Georg_(1839–1920)_Præcisionsmathematikens_1912,
 author={Zeuthen, Hieronymus Georg (1839–1920)},
 editor={Nielsen, Niels. Ed.},
 copyright={Public Domain},
 address={Kjøobenhavn},
 address={Kristiania},
 howpublished={online},
 year={1912},
 publisher={Gyldendalske Boghandel Nordisk Forlag},
 language={dan},
 title={Præcisionsmathematikens Tilbliven fra Pythagoras til Euklid},
 type={Text},
 URL={http://www.rcin.org.pl/Content/79937/PDF/WA35_104595_4567_Beretning-1.pdf},
}