%0 Journal Article %A H. Wolf %A V. P. Havin %T Poisson kernel is the only approximative identity asymptotically multiplicative on $H^\infty$ %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 82-89 %V 170 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_170_a4/ %G ru %F ZNSL_1989_170_a4