@misc{Fermat_Pierre_de_(1601–1665)_Deuxiè_1894, author={Fermat, Pierre de (1601–1665) and Tannery, Paul (1843–1904) and Henry, Charles (1859–1926) and Gauthier-Villars}, copyright={Public Domain}, address={Paris}, howpublished={online}, year={1894}, publisher={Gauthier-Villars, Imprimeurs-Libraires}, language={fre}, title={Deuxiè exlrait de l'Harmome universalle de Mersenne}, type={Text}, URL={http://rcin.org.pl/Content/179959/PDF/WA35_198453_12629-2_Art5.pdf}, }