@misc{Sibelska_Agnieszka_On,
 author={Sibelska, Agnieszka},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={On the order of starlikeness and convexity of complex harmonic functions with a two-parameter coefficient condition},
 keywords={matematyka},
}