%0 Journal Article %A Eggert Briem %A Nguyen-Xuan-L. %T Conditional Banach Spaces, Conditional Projections and Generalized Martingales. %J Mathematica Scandinavica %D 1970 %P 227-236 %V 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1970__27_166160/ %F MS2_1970__27_166160