%0 Journal Article %A Henry Helson %T Hankel forms and sums of random variables %J Studia Mathematica %D 2006 %P 85-92 %V 176 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm176-1-6/ %R 10.4064/sm176-1-6 %G en %F 10_4064_sm176_1_6