@misc{Gągolewski_Marek._Autor_A_2012,
 author={Gągolewski, Marek. Autor},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Raport Badawczy = Research Report},
 howpublished={online},
 year={2012},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 abstract={This is a preliminary version of the tutorial. It is based on the latest development build of the package available on RForge.},
 title={A guide to the FuzzyNumbers 0.01 package for R},
 type={Text},
 keywords={Fuzzy numbers, Liczby rozmyte, Aproksymacja, Approximation},
}