@ARTICLE{Mik_Cezary_Jus_2013,
 author={Mik, Cezary},
 number={No XXXIII},
 journal={Polish Yearbook of International Law},
 pages={27-93},
 howpublished={online},
 year={2013},
 publisher={Institute of Law Studies PAS},
 publisher={Committee on Legal Sciences PAS},
 type={Artykuły / Articles},
 title={Jus Cogens in Contemporary International Law},
 URL={http://journals.pan.pl/Content/95690/PDF/2%20Mik.pdf},
}