@misc{Lupa_Maria_On,
 author={Lupa Maria},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={On a certain property of generalized Hölder functions},
 keywords={Lipschlitz condition, generalized Hölder condition, γ-Hölder condition},
}