@misc{Jeruszka_Piotr_An,
 author={Jeruszka Piotr},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 title={An analysis of the concurrent calculation of the First Sets},
 type={czasopismo},
 keywords={First Sets, concurrent computing, construction of languages, parsing},
}