@misc{Bertrand_Joseph_(1822–1900)_Trattato_1862,
 author={Bertrand, Joseph (1822–1900)},
 editor={Betti, Enrico (1823–1892). Transl.},
 copyright={Public Domain},
 address={Firenze},
 howpublished={online},
 year={1862},
 publisher={Felice le Monnier},
 language={ita},
 title={Trattato di algebra elementare},
 type={Text},
}