@misc{Bertrand_Joseph_(1822–1900)_Trattato_1862,
 author={Bertrand, Joseph (1822–1900)},
 editor={Novi, Giovanni (1827–1866). Transl.},
 copyright={Public Domain},
 address={Firenze},
 howpublished={online},
 year={1862},
 publisher={Felice le Monnier},
 language={ita},
 title={Trattato d'aritmetica},
 type={Text},
 URL={http://rcin.org.pl/Content/66535/PDF/WA35_17303_6216_Trattato.pdf},
}