@misc{Renelt_Heinrich_Generalized,
 author={Renelt, Heinrich},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={Generalized Powers and Extensions of Analytic Functions},
 keywords={analytic functions, Cauchy-Riemann systems},
}