Generalized fuzzy filters of BL-algebras

Hájek P. Metamathematics of Fuzzy Logic, Dordrecht: Kluwer Academic Press, 1998.

Turunen E. BL-algebras of basic fuzzy logic, Mathware and Soft Computing, 1999, 6: 49–61.

Turunen E. Boolean deductive systems of BL-algebras, Arch Math Logic, 2001,40: 467–473.

Liu Lianzhen, Li Kaitai. Fuzzy filters of BL-algebras, Inform Sci, 2005,173: 141–154.

Zadeh L A. Fuzzy sets, Inform Control, 1965, 8: 338–353.

Zadeh L A. The concept of a linguistic variable and its application to approximate reason, Inform Control, 1975,18: 199–249.

Biswas R. Rosenfeld’s fuzzy subgroups with interval valued membership functions, Fuzzy Sets Syst, 1994, 63: 87–90.

Bhakat S K. (∈, ∈ ∨q)-fuzzy normal, quasinormal and maximal subgroups, Fuzzy Sets Syst, 2000,112: 299–312.

Bhakat S K, Das P. (∈, ∈ ∨q)-fuzzy subgroups, Fuzzy Sets Syst, 1996, 80: 359–368.

Pu P M, Liu Y M. Fuzzy topology I: Neighourhood structure of a fuzzy point and Moore-Smith convergence, J Math Anal Appl, 1980,76: 571–599.

Di Nola A, Georegescu G, Iorgulescu A. Pseduo BL-algebras: Part I, Multi Val Logic, 2002,8: 673–714.

Di Nola A, Leustean L. Compact representations of BL-algebras, University Aarhuy, BRICS Report Series, 2002.

Esteva F, Godo L. Monoidal t-norm based logic: towards a logic for left-continuous t-norms, Fuzzy Sets Syst, 2001, 124: 271–288.

Hareshki M, Borumand S A, Eslmi E. Some types of filters in BL-algebras, Soft Comput, 2006,10: 657–664.

Zhang Xiaohong, Jun Y B, Doh M I. On fuzzy filters and fuzzy ideals of BL-algebras, Fuzzy Syst and Math, 2006,3: 8–20.

Yuan Xuehai, Zhang C, Ren Y H. Generalized fuzzy groups and many valued applications, Fuzzy Sets Syst, 2003,138: 205–211.