@misc{Bourdon_Pierre_Louis_Marie_(1779-1854)_Élémens,
 author={Bourdon, Pierre Louis Marie (1779-1854)},
 howpublished={online},
 publisher={Ve Courcier},
 language={fre},
 title={Élémens d'algébre},
 type={książka},
 keywords={Algebra, Podręczniki},
}