@misc{Sylvester_James_Joseph_(1814–1897)_On_1904,
 author={Sylvester, James Joseph (1814–1897)},
 copyright={Public Domain},
 address={Cambridge},
 howpublished={online},
 year={1904},
 publisher={Cambridge University Press},
 language={eng},
 title={On a simple geometrical problem, illustrating a conjectured principle in the theory of geometrical method},
 type={Text},
 URL={http://rcin.org.pl/Content/114111/PDF/WA35_139252_11371-1_Art49.pdf},
}