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Characterizations of elements of best approximation in non-Archimedean normed spaces
Archivum mathematicum, Tome 21 (1985) no. 2, pp. 123-126 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 41A50, 41A65, 46S10 
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Narang, T. D. Characterizations of elements of best approximation in non-Archimedean normed spaces. Archivum mathematicum, Tome 21 (1985) no. 2, pp. 123-126. http://geodesic.mathdoc.fr/item/ARM_1985_21_2_a6/

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[3] Monna A. F.: Remarks on some problems in linear topological spaces over fields with non-archimedean valuation. Proc. Kon. Ned. Akad. v. Wetensch. A 71 (1968), 484-496. | MR

[4] Narang T. D.: Best coapproximation in non-archimedean normed spaces. communicated.

[5] Narici L., Beckenstein E., Bachman G.: Functional Analysis and Valuation Theory. Marcel Dekker, Inc., New York, 1971. | MR | Zbl

[6] Rooij A. C. M. Van: Non-Archimedean Functional Analysis. Marcel Dekker, Inc., New York, 1978. | MR