@misc{Lupa_Maria_A,
 author={Lupa Maria},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 title={A special case of generalized Hölder functions},
 type={czasopismo},
 keywords={Lipschitz condition, generalised Holder condition, equivalency of norms},
}