@misc{Akkouchi_Mohamed_Altering,
 author={Akkouchi, Mohamed and Popa, Valeriu},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Śląskiego},
 language={eng},
 title={Altering distances and fixed point results for tangential hybrid pairs of mappings},
 type={artykuł},
 keywords={matematyka},
}