@misc{Cayley_Arthur_(1821–1895)_[Addition_1896,
 author={Cayley, Arthur (1821–1895)},
 volume={11},
 copyright={Public Domain},
 address={Cambridge},
 journal={Mathematical papers},
 howpublished={online},
 year={1896},
 publisher={Cambridge University Press},
 language={eng},
 language={eng},
 type={Text},
 title={[Addition to mr Hudson's paper "On equal roots of equations."]},
 URL={http://www.rcin.org.pl/Content/152802/PDF/WA35_181490_12807-11_art-73.pdf},
}