%0 Journal Article %A J. Bourgain %A H. Sato %T A direct proof of van der Vaart's theorem %J Studia Mathematica %D 1986 %P 125-131 %V 84 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-84-2-125-131/ %R 10.4064/sm-84-2-125-131 %G en %F 10_4064_sm_84_2_125_131