%0 Journal Article %A Novák, Vilém %T Fuzzy functions in fuzzy logic with fuzzy equality %J Communications in Mathematics %D 2001 %P 59-66 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/COMIM_2001_9_1_a7/ %G en %F COMIM_2001_9_1_a7