%0 Journal Article %A Narang, T. D. %T Characterizations of elements of best approximation in non-Archimedean normed spaces %J Archivum mathematicum %D 1985 %P 123-126 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1985__21_2_a6/ %G en %F ARM_1985__21_2_a6