|
[1] K. T. Atanassov, Intuitionistic fuzzy sets, Fuzzy Sets and Systems 20 (1986), 87-96.
[2] C. L. Chang, Fuzzy topological spaces, J. Math. Anal. Appl. 24 (1968), 182-190.
[3] K. C. Chattopadhyay, R. N. Hazra and S. K. Samanta, Gradation of openness: fuzzy topology, Fuzzy Sets and Systems 49 (1992), 237-242.
[4] D. Çoker, An introduction to intuitionistic fuzzy topological spaces, Fuzzy Sets and Systems 88 (1997), 81-89.
[5] D. Çoker and M. Demirci, An introduction to intuitionistic fuzzy topological spaces in Šostak’s sense, BUSEFAL 67 (1996), 67-76.
[6] H. Gürçay, D. Çoker and A. Haydar Eş, On fuzzy continuity in intuitionistic fuzzy topological spaces, J. Fuzzy Math. 5 (1997), 365-378.
[7] E. P. Lee, Semiopen sets on intuitionistic fuzzy topological spaces in Šostak’s sense, J. Fuzzy Logic and Intelligent Systems 14 (2004), 234-238.
[8] S. O. Lee and E. P. Lee, Fuzzy (r, s) -preopen sets, International J. Fuzzy Logic and Intelligent Systems 5 (2005), 136-139.
[9] A. A. Ramadan, Smooth topological spaces, Fuzzy Sets and Systems 48 (1992), 371- 375.
[10] A. P. Šostak, On a fuzzy topological structure, Rend. Circ. Mat. Palermo (2) Suppl. 11 (1985), 89-103 (1987).
[11] L. A. Zadeh, Fuzzy sets, Information and Control 8 (1965), 338-353. |