[1] J. Adamek, H. Herrlich and G. E. Strecker, Abstract and concrete categories, John Wiley &
Sons, 1990.
[2] D. H. Foster, Fuzzy topological groups, J. Math. Anal. Appl., 67 (1979), 549-564.
[3] G. Gierz, K. H. Hofmann, K. Keimel, J. D. Lawson, M. W. Mislove and D. S. Scott, A
compendium of continuous lattices, Springer, Berlin, 1980.
[4] E. Hewitt and K. Stromberg, Real and abstract analysis, Springer, Berlin, 1975.
[5] U. Hohle, Characterization of L-topologies by L-valued neighborhoods, In S. E. Rodabaugh,
E. P. Klement, U. Hohle, eds., Applications of Category Theory to Fuzzy Subsets, Kluwer
Academic Publishers, (1999), 389-432.
[6] X. Luo and J. Fang, Fuzzifying closure systems and closure operators, Iranian Journal of
Fuzzy Systems, 8(1) (2011), 77-94.
[7] J. L. Ma and C. H. Yu, Fuzzy topological groups, Fuzzy Sets and Systems, 12 (1984), 289-299.
[8] S. E. Rodabaugh, Powerset operator foundations for point-set lattice-theoretic (POSLAT)
fuzzy set theories and topologies, Questions Mathematicae, 20 (1997), 463-530.
[9] J. Z. Shen, Fuzzifying topological groups based on completely distributive residuated lattice-
valued logic (I), Proceedings of IEEE 22th International Symposium on Multiple-Valued
Logic, Sendai, (1992), 198-205.
[10] J. Z. Shen, Topological groups based on continuous valued logic [0,1], Journal of Engineering
Math., 114 (1994), 52-64.
[11] J. Z. Shen, Fuzzifying topological groups(II), [J]. J. Jiangxi Normal Univ., in Chinese, 1
(1994), 72-80.
[12] J. Z. Shen, Fuzzifying topological groups based on completely distributive residuated lattice-
valued logic (II), Information Sciences, 80 (1994), 319-339.
[13] F. G. Shi and H. Y. Li, Almost S{Compactness in L-toplogical Spaces, Iranian Journal of
Fuzzy Systems, 5(3) (2008), 31-44.
[14] W. Yao, On L-fuzzifying convergence spaces, Iranian Journal of Fuzzy Systems, 6(1) (2009),
63-80.
[15] M. Ying, A new approach for fuzzy topology (I), Fuzzy Sets and Systems, 39 (1991), 303-321.
[16] M. Ying, A new approach for fuzzy topology (III), Fuzzy Sets and Systems, 55 (1993),
193-207.
[17] C. H. Yu and J. L. Ma, Fuzzy topological groups I, J. Northeastern Normal Univ., in Chinese,
3 (1982), 13-18.
[18] C. H. Yu and J. L. Ma, L-fuzzy topological groups, Fuzzy Sets and Systems, 47 (1992),
247-252.
[19] D. Zhang, On the re
ectivity and core
ectivity of L-fuzzifying topological spaces in L-
topological spaces, Acta Math. Sin. (Engl.Ser), 18(1) (2002), 55-68.
[20] D. Zhang, L-fuzzifying topologies as L-topologies, Fuzzy Sets and Systems, 125 (2002),
135-144.