%0 Journal Article %A V. G. Mikhailov %T Asymptotic normality of $U$-statistics with nonnegative kernels %J Informatics and Automation %D 1986 %P 105-113 %V 177 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1986_177_a6/ %G ru %F TRSPY_1986_177_a6