@article{10_2307_121097,
     author = {V. Bergelson and A. Leibman},
     title = {Set-polynomials and polynomial extension of the {Hales-Jewett} theorem},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {150},
     number = {1},
     doi = {10.2307/121097},
     zbl = {0969.05061},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121097/}
}