Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DM_1995_7_3_a12, author = {Yu. V. Tarannikov}, title = {On the number of ordered pairs of $l$-balanced sets of length $n$}, journal = {Diskretnaya Matematika}, pages = {146--156}, publisher = {mathdoc}, volume = {7}, number = {3}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1995_7_3_a12/} }
Yu. V. Tarannikov. On the number of ordered pairs of $l$-balanced sets of length $n$. Diskretnaya Matematika, Tome 7 (1995) no. 3, pp. 146-156. http://geodesic.mathdoc.fr/item/DM_1995_7_3_a12/