@misc{Katunin_Andrzej_Fractals,
 author={Katunin Andrzej},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={Fractals Based On Regular Convex Polytopes},
 keywords={fraktale, fractals},
}