%0 Journal Article %A Charles J.K. Batty %T Relative Commutants in Compact Convex Sets and Banach Spaces. %J Mathematische Zeitschrift %D 1979 %P 25-36 %V 167 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1979__167_172835/ %F MZ_1979__167_172835