@misc{Ignaciuk_Szymon_Generalized,
 author={Ignaciuk, Szymon and Parol, Maciej},
 howpublished={online},
 publisher={Uniwersytet Marii Curie-Skłodowskiej},
 language={pol},
 language={ang},
 type={artykuł},
 title={Generalized Kaplan classes and their applications},
 keywords={chemia},
}