On metrization of hyperspaces
Flachsmeyer, Jürgen
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Flachsmeyer, Jürgen
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Szymon Plewik (1988)
Czechoslovak Mathematical Journal
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Ellen Mir (2007)
Commentationes Mathematicae Universitatis Carolinae
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This paper presents a new consistent example of a relatively normal subspace which is not Tychonoff.