@misc{Duren_Peter_On, author={Duren, Peter and Osgood, Brad and Chuaqui, Martin}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej}, language={eng}, type={artykuł}, title={On a theorem of Haimo regarding concave mappings}, keywords={Schwarzian derivative, Sturm comparison, univalence, Haimo's theorem, concave mapping}, }