%0 Journal Article %A S. R. Treil' %T Extreme points of the unit ball of the operator Hardy space $H^\infty(E\to E_*)$ %J Zapiski Nauchnykh Seminarov POMI %D 1986 %P 160-164 %V 149 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1986_149_a15/ %G ru %F ZNSL_1986_149_a15