%0 Journal Article %A A. Fuchs %A A. Joffe %A J. L. Teugels %T Expectation of the Ratio of the Sum of Squares to the Square of the Sum: Exact and Asymptotic Results %J Teoriâ veroâtnostej i ee primeneniâ %D 2001 %P 297-310 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2001_46_2_a4/ %G ru %F TVP_2001_46_2_a4