A counterexample concerning smooth approximation
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Publication:4717083
DOI10.1090/S0002-9939-96-03383-7zbMath0866.46013WikidataQ124835921 ScholiaQ124835921MaRDI QIDQ4717083
Publication date: 14 January 1997
Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)
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