@misc{Hoene-Wroński_Józef_Maria_(1776–1853)_Calculateur,
 author={Hoene-Wroński Józef Maria (1776–1853)},
 copyright={PAN Biblioteka Kórnicka},
 howpublished={online},
 language={fre},
 title={Calculateur H. Lefèvre},
 keywords={matematyka 19w., mathématiques 19 siècle, mathematics 19th century, Henri Lefèvre (1827-1885), Lefèvre's calculator, kalkulator Lefèvre'a, calculateur H. Lefèvre},
}