%0 Journal Article %A Ya. Yu. Nikitin %A N. A. Stepanova %T A generalization of Kendall's tau and asymptotic efficiency of the corresponding test of independence %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 227-237 %V 244 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1997_244_a15/ %G ru %F ZNSL_1997_244_a15