@misc{Grzegorzewski_Przemysław_Wojciech._Autor_On_2004,
 author={Grzegorzewski, Przemysław Wojciech. Autor},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Raport Badawczy = Research Report},
 howpublished={online},
 year={2004},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 abstract={It is shown that the trapezoidal approximation operator proposed by Grzegorzewski and Mrówka ([13], [14])preserves the value and am­biguity of fuzzy numbers.},
 title={On invariance of the canonical representation of fuzzy numbers under trapezoidal approximations},
 type={Text},
 keywords={Fuzzy numbers, Approximation of fuzzy numbers},
}