[1] S. E. Abbas, M. A. Hebeshi and I. M. Taha, On fuzzy upper and lower semi-continuous
multifunctions, Journal of Fuzzy Mathematics, 22(4) (2014).
[2] K. M. A. Al-hamadi and S. B. Nimse, On fuzzy -continuous multifunctions, Miskolc Mathematical
Notes, 11(2) (2010), 105-112.
[3] M. Alimohammady, E. Ekici, S. Jafari and M. Roohi, On fuzzy upper and lower contra-
continuous multifunctions, Iranian Journal of Fuzzy Systems, 8(3) (2011), 149-158.
[4] H. Aygun and S. E. Abbas, Some good extensions of compactness in Sostak's L-fuzzy topology,
Hacettepe Journal of Mathematics and Statistics, 36(2) (2007), 115-125.
[5] C. Berge, Topological spaces, including a treatment of multi-valued functions, vector spaces
and convexity, Oliver, Boyd London, 1963.
[6] C. L. Chang, Fuzzy topological spaces, J. Math. Anal. Appl., 24 (1968), 182-190.
[7] K. C. Chattopadhyay and S. K. Samanta, Fuzzy topology: fuzzy closure operator, fuzzy
compactness and fuzzy connectedness, Fuzzy Sets and Systems, 54(2) (1993), 207-212.
[8] J. A. Goguen, The Fuzzy Tychono theorem, J. Math. Anal. Appl., 43 (1993), 734-742.
[9] U. Hohle, Upper semicontinuous fuzzy sets and applications, J. Math. Anall. Appl., 78 (1980),
659-673.
[10] U. Hohle and A. P. Sostak, A general theory of fuzzy topological spaces, Fuzzy Sets and
Systems, 73 (1995), 131-149.
[11] U. Hohle and A. P. Sostak, Axiomatic Foundations of Fixed-Basis fuzzy topology, The Handbooks
of Fuzzy sets series, Volume 3, Kluwer Academic Publishers, Dordrecht (Chapter 3),
(1999).
[12] Y. C. Kim, A. A. Ramadan and S. E. Abbas, Weaker forms of continuity in Sostaks fuzzy
topology, Indian J. Pure Appl. Math., 34(2) (2003), 311-333.
[13] Y. C. Kim, Initial L-fuzzy closure spaces, Fuzzy Sets and Systems, 133 (2003), 277-297.
[14] T. Kubiak, On fuzzy topologies, Ph. D. Thesis, A. Mickiewicz, Poznan, 1985.
[15] T. Kubiak and A. P. Sostak, Lower set-valued fuzzy topologies, Quaestions Math., 20(3)
(1997), 423-429.
[16] Y. Liu and M. Luo, Fuzzy topology, World Scientic Publishing, Singapore, 1997.
[17] R. A. Mahmoud, An application of continuous fuzzy multifunctions, Chaos, Solitons and
Fractals, 17 (2003), 833-841.
[18] M. N. Mukherjee and S. Malakar, On almost continuous and weakly continuous fuzzy multi-
functions, Fuzzy Sets and Systems, 41 (1991), 113-125.
[19] T. Noiri and V. Popa, Almost weakly continuous multifunctions, Demonstratio Mathematica,
VI(2) (1993), 363-480.
[20] N. S. Papageorgiou, Fuzzy topology and fuzzy multifunctions, J. Math. Anal. Appl., 109
(1985), 397-425.
[21] V. Popa, On characterizations of irresolute multimapping, J. Univ. Kuwait (Sci), 15 (1988),
21-25.
[22] V. Popa, Irresolute multifunctions, Internat. J. Math. and Math. Sci., 13(2) (1990), 275-280.
[23] A. A. Ramadan, S. E. Abbas and Y. C. Kim, Fuzzy irresolute mappings in smooth fuzzy
topological spaces, 9(4) (2001), 865-877.
[24] A. P. Sostak, On a fuzzy topological structure, Suppl. Rend. Circ. Matem. Palerms ser II, 11
(1985), 89-103.
[25] A. P. Sostak Two decades of fuzzy topology: basic ideas, notion and results, Russian Math.
Surveys, 44(6) (1989), 125-186.
[26] A. P. Sostak, Basic structures of fuzzy topology, J. Math. Sci., 78(6) (1996), 662-701.
[27] E. Tsiporkova, B. De Baets and E. Kerre, A fuzzy inclusion based approach to upper inverse
images under fuzzy multivalued mappings, Fuzzy Sets and Systems, 85 (1997), 93-108.
[28] E. Tsiporkova, B. De Baets and E. Kerre, Continuity of fuzzy multivalued mappings, Fuzzy
Sets and Systems, 94 (1998), 335-348.