@misc{Adam_Marcin_Certain,
 author={Adam Marcin and Piątek Bożena and Pleszczyński Mariusz and Smoleń Barbara and Wituła Roman},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 title={Certain inequalities connected with the golden ratio and the Fibonacci numbers},
 type={artykuł},
 keywords={Fibonacci numbers, golden ratio, Perrin constant},
}