Intelligent systemRough ideals in semigroups
References (9)
Fuzzy congruences and fuzzy normal subgroups
Inform. Sci.
(1992)- et al.
The lower and upper approximations in a fuzzy group
Inform. Sci.
(1996) - et al.
Rough groups and rough subgroups
Bull. Polish Acad. Sci. Math
(1994) Algebraic structures of rough sets
There are more references available in the full text version of this article.
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