@article{GDZPPN000462055, title = {Multiple Recurrence Theorem for Nilpotent Group Actions.}, journal = {Geometric and functional analysis}, volume = {4}, year = {1994}, pages = {648-659}, zbl = {0848.54025}, url = {http://dml.mathdoc.fr/item/GDZPPN000462055} }
Leibman, A. Multiple Recurrence Theorem for Nilpotent Group Actions.. Geometric and functional analysis, Tome 4 (1994) pp. 648-659. http://gdmltest.u-ga.fr/item/GDZPPN000462055/