@misc{Pękala_Barbara_Recent_2011,
 author={Pękala, Barbara and Dudziak, Urszula},
 copyright={Creative Commons Attribution BY 4.0 license},
 journal={Książka = Book},
 address={Warszawa},
 howpublished={online},
 year={2011},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Recent advances in fuzzy sets, intuitionistic fuzzy sets, generalized nets and related topics. Volume I: foundations * Properties of intuitionistic fuzzy preference relations},
 URL={http://rcin.org.pl/Content/206772/PDF/KS-2011-09-T1P13.pdf},
}