@misc{Cayley_Arthur_(1821–1895)_On_1896,
 author={Cayley Arthur (1821–1895)},
 volume={9},
 copyright={Public Domain},
 journal={The collected mathematical papers of Arthur Cayley},
 address={Cambridge},
 howpublished={online},
 year={1896},
 publisher={Cambridge University Press},
 language={eng},
 type={Text},
 title={On a theorem in elliptic motion},
 URL={http://www.rcin.org.pl/impan/Content/120838/PDF/WA35_150624_12807-9_581.pdf},
}