@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/