@misc{Cayley_Arthur_(1821–1895)_On_1896,
 author={Cayley Arthur (1821–1895)},
 volume={9},
 copyright={Public Domain},
 address={Cambridge},
 journal={The collected mathematical papers of Arthur Cayley},
 howpublished={online},
 year={1896},
 publisher={Cambridge University Press},
 language={eng},
 type={Text},
 title={On the potential of the ellipse and the circle},
 URL={http://www.rcin.org.pl/Content/121402/PDF/WA35_151165_12807-9_603.pdf},
}