@misc{Rudio_Ferdinand_(1856–1929)_Leonard_1884,
 author={Rudio, Ferdinand (1856–1929)},
 copyright={Public Domain},
 address={Basel},
 howpublished={online},
 year={1884},
 publisher={Benno Schwabe},
 language={ger},
 language={ger},
 type={Text},
 title={Leonard Euler : Vortrag gehalten auf dem Rathhause in Zürich am 6. december 1883},
 URL={http://rcin.org.pl/Content/11760/PDF/WA35_3527_5535_Leonard.pdf},
 keywords={Euler, Leonhard (1707-1783). [KABA]},
}