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DOI10.1002/MANA.19891430103zbMATH Open0682.41039OpenAlexW4252460777MaRDI QIDQ4731633

A. I. Vasil'ev

Publication date: 1989

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mana.19891430103

zbMATH Keywords

proximinal set

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Locally convex Fréchet spaces and (DF)-spaces (46A04)

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