@misc{Elin_Mark_A,
 author={Elin, Mark and Shoikhet, David},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={A sharpened form of the inverse function theorem},
 keywords={inverse function theorem},
}