@misc{Sylvester_James_Joseph_(1814–1897)_An_1904,
 author={Sylvester, James Joseph (1814–1897)},
 copyright={Public Domain},
 address={Cambridge},
 howpublished={online},
 year={1904},
 publisher={Cambridge University Press},
 language={eng},
 type={Text},
 title={An essay on canonical forms, supplement to a sketch of a memoir on elimination, transformation and canonical forms},
 URL={http://rcin.org.pl/Content/113709/PDF/WA35_139192_11371-1_Art34.pdf},
}