@misc{Ustimenko_Vasyl_On,
 author={Ustimenko, Vasyl and Wróblewska, Aneta},
 howpublished={online},
 publisher={Wydaw. Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={czasopismo},
 title={On the key expansion of D(n;K)-based cryptographical algorithm},
}