@misc{Cayley_Arthur_(1821–1895)_On_1889,
 author={Cayley Arthur (1821–1895)},
 copyright={Public Domain},
 address={Cambridge},
 journal={Mathematical papers},
 howpublished={online},
 year={1889},
 publisher={Cambridge University Press},
 language={eng},
 type={Text},
 title={On the Simultaneous Transformation of Two Homogeneous Functions of the Second Order},
 URL={http://www.rcin.org.pl/impan/Content/119093/PDF/WA35_143380_12807-1_Art74.pdf},
}