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A counterexample to ``An extension of Gregus fixed point theorem'' - MaRDI portal

A counterexample to ``An extension of Gregus fixed point theorem'' (Q536867)

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scientific article; zbMATH DE number 5897678
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A counterexample to ``An extension of Gregus fixed point theorem''
scientific article; zbMATH DE number 5897678

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    A counterexample to ``An extension of Gregus fixed point theorem'' (English)
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    19 May 2011
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