%0 Journal Article %A Schachermayer, Walter %T A characterisation of the closure of $H^\infty $ in $BMO$ %J Séminaire de probabilités de Strasbourg %D 1996 %P 344-356 %V 30 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1996__30__344_0/ %G fr %F SPS_1996__30__344_0