%0 Journal Article %A I. Gil’, Michael %T Bounds for Fractional Powers of Operators in a Hilbert Space and Constants in Moment Inequalities %J Fractional calculus and applied analysis %D 2009 %P 57-69 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FCAA_2009_12_1_a4/ %G en %F FCAA_2009_12_1_a4