@misc{Cayley_Arthur_(1821–1895)_Note_1891,
 author={Cayley, Arthur (1821–1895)},
 volume={4},
 copyright={Domena Publiczna},
 journal={Mathematical papers},
 address={Cambridge},
 howpublished={online},
 year={1891},
 publisher={University Press},
 language={eng},
 type={Tekst},
 title={Note on cones of the third order},
 URL={http://rcin.org.pl./Content/125142/PDF/WA35_152789_12807-4_Note-on-cones.pdf},
}