%0 Journal Article %A Bandyopadhyay, P. %A Roy, A. K. %T Uniqueness of invariant Hahn-Banach extensions. %J Extracta mathematicae %D 2007 %P 93-114 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMATH_2007_2007_1_a9/ %G en %F EXMATH_2007_2007_1_a9