Any metric space has a minimal subbase

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Publisher	Stichting Mathematisch Centrum
Series	Stichting Mathematisch Centrum. Zuivere Wiskunde
Citation APA APA Style APA-ALL Style AAA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	van Emde Boas, P. (1967). Any metric space has a minimal subbase. In Stichting Mathematisch Centrum. Zuivere Wiskunde (ZW 7/67). Stichting Mathematisch Centrum.

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