@misc{Miernowski_Andrzej_Parallelograms,
 author={Miernowski, Andrzej},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={Parallelograms inscribed in a curve having a circle as π/2 -isoptic},
 keywords={matematyka},
}