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Author: Narang, T. D.

• Narang, T. D.: Characterizations of elements of best approximation in non-Archimedean normed spaces. (English). Archivum Mathematicum, vol. 21 (1985), issue 2, pp. 123-126
• Narang, T. D.: On $f$-best approximation in topological spaces. (English). Archivum Mathematicum, vol. 21 (1985), issue 4, pp. 229-233