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Translated from Matematicheskie Zametki, Vol. 27, No. 4, pp. 597–606, April, 1980.
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Oshman, E.V. Continuity of metric projection onto a Chebyshev subspace of finite codimension in a space of continuous functions. Mathematical Notes of the Academy of Sciences of the USSR 27, 293–298 (1980). https://doi.org/10.1007/BF01140531
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DOI: https://doi.org/10.1007/BF01140531