@misc{_Bulletin_1982,
 volume={30},
 editor={Polska Akademia Nauk.},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 number={7-8},
 copyright={Rights Reserved - Restricted Access},
 address={Varsovie},
 howpublished={online},
 year={1982},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng, fre},
 type={Text},
 title={Bulletin de lʾAcademie Polonaise des Sciences. Série des Sciences Mathématiques T.30 z.7-8 (1982)},
}