@misc{Grzegorzewski_Przemysław_(1963–_)_Improved_2007, author={Grzegorzewski, Przemysław (1963– )}, copyright={Creative Commons Attribution BY 4.0 license}, address={Warszawa}, journal={Raport Badawczy = Research Report}, howpublished={online}, year={2007}, publisher={Instytut Badań Systemowych. Polska Akademia Nauk}, publisher={Systems Research Institute. Polish Academy of Sciences}, language={eng}, abstract={In the paper, fuzzy number approximation by trapezoidal fuzzy numbers which preserves expected interval is discussed. The coorected formulae for the approximation operator discussed in the previous papers is given.}, title={Improved trapezoidal approximation of fuzzy numbers}, type={Text}, URL={http://www.rcin.org.pl/Content/103605/PDF/RB-2007-20.pdf}, keywords={Fuzzy numbers, Liczby rozmyte, Approximation of fuzzy numbers, Expected interval, Aproksymacja liczb rozmytych, Aproksymacja}, }