1. Closure operators and fuzzy connectedness;Alderton;Fuzzy Sets and Systems,1999
2. Compactification and convergence supercategories of FNS;Blasco,1995
3. Eine Theorie Unscharfer Limesräume;Jäger,1995
4. Fuzzy uniform continuity and equicontinuity;Jäger;Fuzzy Sets and Systems,2000
5. FNS is not isomorphic to FTS;Li,2001