@misc{Neuberg_Joseph_(1840–1926)_Mémoire_1884,
 author={Neuberg, Joseph (1840–1926)},
 copyright={Public Domain},
 address={Bruxelles},
 howpublished={online},
 year={1884},
 publisher={F. Hayez, Imprimeur de l'Académie Royale de Belgique},
 language={fre},
 type={Text},
 title={Mémoire sur le tétraèdre},
 URL={http://rcin.org.pl/impan/Content/35158/PDF/WA35_20412_6920_Memoire.pdf},
}