@misc{_I._1895,
 editor={Peano, Giuseppe (1858–1932). Ed.},
 copyright={Public Domain},
 address={Turin},
 howpublished={online},
 year={1895},
 publisher={Bocca Frères},
 publisher={Ch. Clausen},
 language={fre},
 type={Text},
 title={I. Logique mathématique.},
 URL={http://rcin.org.pl/Content/88564/PDF/WA35_114841_6452_Logique.pdf},
}