On the metric projection and the quotient mapping

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(original), Approximation Theory, best approximation, paper

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Costica Mustata
“Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania

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C. Mustăţa, On the metric projection and the quotient mapping, Rev. Anal. Numér. Théor. Approx., 24 (1995) nos. 1-2, 191-199.

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