@misc{Fermat_Pierre_de_(1601–1665)._Autor_Observations_1896,
 author={Fermat, Pierre de (1601–1665). Autor and Tannery, Paul (1843–1904). Redaktor and Henry, Charles (1859–1926). Redaktor},
 volume={3},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1896},
 publisher={Gauthier-Villars, Imprimeurs-Libraires},
 language={fre},
 title={Observations sur diophante},
 type={Text},
 URL={http://rcin.org.pl/Content/207004/PDF/WA35_243149_12629-3_15.pdf},
}