On an inverse theorem of approximation
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Publication:1175600
zbMath0753.41024MaRDI QIDQ1175600
Publication date: 25 June 1992
Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)
Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by positive operators (41A36)
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