On countable Fréchet-Urysohn spaces
Viacheslav I. Malykhin (1988)
Commentationes Mathematicae Universitatis Carolinae
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Viacheslav I. Malykhin (1988)
Commentationes Mathematicae Universitatis Carolinae
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B. Boldjiev, Viacheslav I. Malykhin (1990)
Commentationes Mathematicae Universitatis Carolinae
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Petr Simon (1998)
Acta Universitatis Carolinae. Mathematica et Physica
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Francis Jordan, Frédéric Mynard (2004)
Czechoslovak Mathematical Journal
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We solve the long standing problem of characterizing the class of strongly Fréchet spaces whose product with every strongly Fréchet space is also Fréchet.
Mynard, Frédéric (2000)
Commentationes Mathematicae Universitatis Carolinae
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