@misc{Russell_Bertrand_(1872-1970)_Problemy,
 author={Russell, Bertrand (1872-1970)},
 howpublished={online},
 publisher={Wydawnictwo Naukowe PWN},
 language={pol},
 language={eng},
 type={książka},
 title={Problemy filozofii},
 keywords={filozofia},
}