@misc{Atanassov_Krassimir_Todorov_(1954–_)_Recent_2011,
 author={Atanassov, Krassimir Todorov (1954– )},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Książka = Book},
 howpublished={online},
 year={2011},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 abstract={It is shown that the intuitionistic fuzzy sets and in particular – the fuzzy sets, can be interpreted as constructive objects. A criterion for constructiveness is introduced. It is proved that all operations and operator over intuitionistic fuzzy sets are also constructive objects.},
 title={Recent advances in fuzzy sets, intuitionistic fuzzy sets, generalized nets and related topics. Volume I: foundations * The intuitionistic fuzzy sets as constructive objects},
 type={Text},
 URL={http://rcin.org.pl/Content/206760/PDF/KS-2011-09-T1P1.pdf},
}