@misc{Zbyszewski_Leon_(1832-1907)_Des,
 author={Zbyszewski, Leon (1832-1907)},
 address={Paris},
 howpublished={online},
 publisher={E. Dentu},
 publisher={Imprimerie de E. Martinet},
 language={fre},
 title={Des conditions d'une paix durable en Pologne},
 type={książka},
}