%0 Journal Article %A Jan van Mill %T Relations between ß X / X and a Certain Subspace of ... X. %J Mathematische Zeitschrift %D 1977 %P 187-204 %V 156 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1977__156_172579/ %F MZ_1977__156_172579