@misc{Błaszczyk_Aleksander_Concerning_1980,
 author={Błaszczyk, Aleksander},
 volume={28},
 number={7-8},
 editor={Szymański, Andrzej},
 copyright={Rights Reserved - Restricted Access},
 address={Varsovie},
 howpublished={online},
 year={1980},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 type={Text},
 title={Concerning Parovičenko theorem},
}