Michiro Kondo Algebraic Transfer Principle in Fuzzy Theory. 406-411 2005 EUSFLAT Conf. http://www.eusflat.org/proceedings/EUSFLAT-LFA_2005/papers/JEL201.pdf conf/eusflat/2005 db/conf/eusflat/eusflat2005.html#Kondo05