[[1] M. Al Tahan, S, Hoskova-Mayerova, B. Davvaz, An overview of topological hypergroupoids, J. Intell. Fuzzy Systems, (2018), 34(3), 1907-1916, doi. 10.3233/JIFS-171265.10.3233/JIFS-171265]Open DOISearch in Google Scholar
[[2] S. S. Benchalli and G. P. Siddapur, On the level spaces of fuzzy topological spaces, Bull. of Math. Anal. Appl. 1(2) (2009), 57–65.]Search in Google Scholar
[[3] H. Bordbar, I. Cristea, M. Novak, Height of Hyperideals in Noetherian Krasner Hyperrings, University Politehnica of Bucharest Scientific Bulletin-Series A-Applied Mathematics and Physics, 79(2), 31-42, (2017).10.2298/FIL1719153B]Search in Google Scholar
[[4] M. K. Chakrabarty and T.M.G. Ahsanullah, Fuzzy topology on fuzzy sets and tolerance topology, Fuzzy Sets and Systems 45 (1992), 103–108.10.1016/0165-0114(92)90096-M]Search in Google Scholar
[[5] C. L. Chang, Fuzzy topological spaces, J. Math. Anal. and Appl. 24 (1968), 182–190.10.1016/0022-247X(68)90057-7]Search in Google Scholar
[[6] A. K. Chaudhuri and P. Das, Some results on fuzzy topology on fuzzy sets, Fuzzy Sets and Systems 56 (1993), 331–336.10.1016/0165-0114(93)90214-3]Search in Google Scholar
[[7] I. Chon, Some properties of fuzzy topological groups, Fuzzy Sets and Systems 123 (2001), 197–201.10.1016/S0165-0114(00)00101-9]Search in Google Scholar
[[8] I. Cristea, S. Hoskova, Fuzzy topological hypergroupoids, Iran. J. Fuzzy Syst., 6(4) (2009), 1321.]Search in Google Scholar
[[9] I. Cristea, J. M. Zhan, Lower and upper fuzzy topological subhyper-groups, Acta Math. Sin. (Engl. Ser.), 29 (2), 315-330, doi:10.1007/s10114-012-1170-4, (2013).10.1007/s10114-012-1170-4,(2013)]Open DOISearch in Google Scholar
[[10] P. Das, Fuzzy topology on fuzzy sets: product fuzzy topology and fuzzy topological groups, Fuzzy Sets and System 109 (1998), 367–372.10.1016/S0165-0114(97)00070-5]Search in Google Scholar
[[11] T. E. Gantner, Compactness in fuzzy topological spaces, J. Math. Anal. Appl. 62 (1978), 547–562.10.1016/0022-247X(78)90148-8]Search in Google Scholar
[[12] V. Gregori and A. Vidal, Fuzziness in Chang’s fuzzy topological spaces, Rend. Istit. Mat. Univ. Trieste XXX (1999), 111–121.]Search in Google Scholar
[[13] S. Lipschutz, Theory and problems of general topology, Schaum’s Outline Series, McGraw-Hill Book Company, New York, 1965.]Search in Google Scholar
[[14] S. Hoskova, Topological hypergroupoids, Computers and Mathematics with Applications, 64(9), 2845–2849.10.1016/j.camwa.2012.04.017]Search in Google Scholar
[[15] R. Lowen, Fuzzy topological spaces and fuzzy compactness, J. Math. Anal. Appl. 56 (1976), 621–633.10.1016/0022-247X(76)90029-9]Search in Google Scholar
[[16] A. Maturo, Fuzzy Measures and Coherent Join Measures, International Journal of Intelligent Systems, 26 (12), (2011), 1196-1205, doi: 10.1002/int.20512.10.1002/int.20512]Open DOISearch in Google Scholar
[[17] F. Maturo, V. Ventre, Consensus in Multiperson Decision Making Using Fuzzy Coalitions. Studies in Fuzziness and Soft Computing, (2017), 451464. doi:10.1007/978-3-319-60207-326.10.1007/978-3-319-60207-326]Open DOISearch in Google Scholar
[[18] N. P. Mukherjee and P. Bhattacharya, Fuzzy normal subgroups and fuzzy cosets, Information Sciences. 34 (1984), 225–239.10.1016/0020-0255(84)90050-1]Search in Google Scholar
[[19] M. Norouzi, I. Cristea, A new type of fuzzy subsemihypermodules, J. Intell. Fuzzy Systems, 32(3), 1711-1717, doi: 10.3233/JIFS-151867, (2017).10.3233/JIFS-151867,(2017)]Open DOISearch in Google Scholar
[[20] B. O. Onasanya, Some topological concepts via level subsets of a fuzzy subset, Advances in Fuzzy Sets and Systems 20(2) (2015), 177–188.10.17654/AFSSDec2015_177_188]Search in Google Scholar
[[21] A. Saeid, C. Flaut, S. Hoskova-Mayerova, et al., Some connections between BCK-algebras and n-ary block codes, Soft Comput (2018) 22(1), 41–46. doi:10.1007/s00500-017-2788-z.10.1007/s00500-017-2788-z]Open DOISearch in Google Scholar
[[22] M. Sarkar, On fuzzy topological spaces, J. Math. Anal. and Appl. 79 (1981), 384–394.10.1016/0022-247X(81)90033-0]Search in Google Scholar
[[23] A. P. Shostak, On a fuzzy topological structure, Rend. Istit. Circ. Mat. Palermo Ser II(11) (1985), 89–103.]Search in Google Scholar
[[24] W.B. Vasantha Kandasamy, Smarandache fuzzy algebra, American Research Press, Rehoboth (2003).]Search in Google Scholar
[[25] C. K. Wong, Covering Properties of fuzzy topological spaces, J. Math. Anal. and Appl. 43 (1973), 697–704.10.1016/0022-247X(73)90285-0]Search in Google Scholar
[[26] C. K. Wong, Fuzzy topology: product and quotient theorems, J. Math. Anal. and Appl. 45 (1974), 512–521.10.1016/0022-247X(74)90090-0]Search in Google Scholar
[[27] C. K. Wong, Fuzzy points and local properties of fuzzy topology, J. Math. Anal. and Appl. 46 (1974), 316–328.10.1016/0022-247X(74)90242-X]Search in Google Scholar
[[28] L. A. Zadeh, Fuzzy sets, Inform. and Control 8 (1965), 338–353.10.1016/S0019-9958(65)90241-X]Search in Google Scholar
[[29] L.Žák, D., Vališ, Comparison of regression and fuzzy estimates on field oil data, Mendel (2015), 85–902, Code 113282.]Search in Google Scholar
[[30] H. J. Zimmermann, Fuzzy Set Theory-and Its Applications, Fourth edition, Springer Science Business Media, New York (2001).10.1007/978-94-010-0646-0]Search in Google Scholar