@misc{Ruscheweyh_Stephan_On,
 author={Ruscheweyh, Stephan and Schwittek, P.},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={On Real Functions of Bounded Variation and an Application to Geometric Function Theory},
 keywords={matematyka},
}