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Publication:3027569
zbMath0625.41018MaRDI QIDQ3027569
Werner Haussmann, Lothar Rogge
Publication date: 1987
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)