@ARTICLE{_Front_2020,
 number={No 3},
 journal={Nauka},
 howpublished={online},
 year={2020},
 publisher={Biuro Upowszechniania i Promocji Nauki PAN},
 title={Front pages},
 URL={http://journals.pan.pl/Content/117551/PDF/Nauka3-2020_Front%20pages.pdf},
}