%0 Journal Article %A Yu. V. Tarannikov %T On the number of ordered pairs of $l$-balanced sets of length $n$ %J Diskretnaya Matematika %D 1995 %P 146-156 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1995_7_3_a12/ %G ru %F DM_1995_7_3_a12