Generalized fuzzy rough approximation operators based on fuzzy coverings
International Journal of Approximate Reasoning
On characterizations of ( I,T)-fuzzy rough approximation operators
Fuzzy Sets and Systems
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In this note, we show by examples that Theorem 5.3, partial proof of Theorem 5.3', Lemma 5.4 and Remark 5.2 in [1] contain slight flaws and then provide the correct versions.