@misc{Sylvester_James_Joseph_(1814–1897)_Démonstration_1912,
 author={Sylvester, James Joseph (1814–1897)},
 copyright={Public Domain},
 address={Cambridge},
 howpublished={online},
 year={1912},
 publisher={Cambridge University Press},
 language={eng},
 type={Text},
 title={Démonstration graphique d'un théorème d'Euler concernant les partitions des nombres},
 URL={http://rcin.org.pl./Content/119562/PDF/WA35_145245_11371-4_Art7.pdf},
}