bibitem{Chang:FTS} C. L. Chang, textit{Fuzzy topological space}, J. Math.
Anal. Appl., textbf{24} (1968), 182-190.
bibitem{Chang:FHTIofFG} Z. Chang You and L. Wang Jin, textit{Fuzzy
homotopy type invariance of fundamental group of fuzzy topological space},
Fuzzy Math., textbf{4} (1984), 53-56.
bibitem{Chon:SPofFTG} I. Chon, textit{Some properties of fuzzy topological
groups}, Fuzzy Sets and Systems, textbf{13} (2001), 197-201.
bibitem{Chuanlin:HandFG} S. Chuanlin, textit{Homotopy and fundamental
group in fuzzy topology}, Dongbei Shida Xuebao, textbf{2 }(1985), 25-31.
bibitem{Foster:FTG} D. H. Foster, textit{Fuzzy topological groups}, J.
Math. Anal. Appl., textbf{67} (1979), 549-564.
bibitem{Ganster:OFTG} M. Ganster, D. N. Georgiou and S. Jafari, textit{On
fuzzy topological groups and fuzzy continuous function}, Hacettepe Journal
of Mathematics and Statistics, textbf{34 S} (2005),35-43.
bibitem{Gumus:TFSofTG} S. Gumus and C. Yildiz, textit{The fuzzy sheaf of
the groups formed by fuzzy topological space}, Int. Jorn. of Pure and Appl.
Math., textbf{37(1)} (2007),101-112.
bibitem{Hatcher:ATop} A. Hatcher, textit{Algebraic topology,
textquotedblleft H-spaces and Hopf Algebrastextquotedblright }, Cambridge
University Press,textit{ }Cambridge, New York, 2001.
bibitem{Hopf:UDTderGM} H. Hopf, textit{Uber die topologie der
gruppen-mannigfaltigkeiten und Ihre verallgemeinerungen}, The Annals of
Mathematics Second Series, textbf{42(1)} (1941), 22-52
bibitem{Jha:SLPofFT} P. K. Jha and T. B. Singh, textit{Some local properties
of fuzzy topology and fuzzy topological groups}, Bull. Cal. Math. Soc.,
textbf{87} (1995), 441-448.
bibitem{Jha:FTG} P. K. Jha and T. B. Singh, textit{Fuzzy topological groups}%
,Bull. Cal. Math. Soc. , textbf{91(5)} (1999), 351-358.
bibitem{Lowen:FTSandFC} R. Lowen, textit{Fuzzy Topological spaces and
fuzzy compactness}, J. Math. Anal. Appl., textbf{56} (1976), 621-633.
bibitem{Rosenfeld:FG} A. Rosenfeld, textit{Fuzzy groups}, J. Math. Anal.
Appl., textbf{35} (1971), 512-517.
bibitem{Spainer:AT} E. H. Spainer, textit{Algebraic topology}, Springer,
Verlag., 1994.
bibitem{Wong:FT-PandQT} C. K. Wong, textit{Fuzzy topology-product and
quotient theorems}, J. Math. Anal. Appl., textbf{45} (1974), 512-521.
bibitem{Zadeh:FS} L. A. Zadeh, textit{Fuzzy sets,} Informations and control,
textbf{8} (1965), 338-353.