@misc{Sylvester_James_Joseph_(1814–1897)_Instantaneous_1909,
 author={Sylvester, James Joseph (1814–1897)},
 volume={3},
 copyright={Public Domain},
 address={Cambridge},
 howpublished={online},
 year={1909},
 publisher={Cambridge University Press},
 language={eng},
 title={Instantaneous proof of a theorem of Lagrange on the divisors of the form Ax2+By2+Cz2, with a postscript on the divisors of the functions which multisect the primitive roots of unity},
 type={Text},
 URL={http://rcin.org.pl/Content/161769/PDF/WA35_189785_11371-3_art-48.pdf},
}