@ARTICLE{_Front_2021,
 number={No 3},
 journal={Nauka},
 howpublished={online},
 year={2021},
 publisher={Biuro Upowszechniania i Promocji Nauki PAN},
 title={Front pages},
 URL={http://www.czasopisma.pan.pl/Content/120364/PDF-MASTER/N%23321-00-str_tyt_red.pdf},
}