Generalized concentrative mappings and their fixed points
Josef Daneš (1970)
Commentationes Mathematicae Universitatis Carolinae
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Josef Daneš (1970)
Commentationes Mathematicae Universitatis Carolinae
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Josef Daneš (1971)
Commentationes Mathematicae Universitatis Carolinae
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Zdeněk Hedrlín (1961)
Commentationes Mathematicae Universitatis Carolinae
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