@article{SM_2006_197_11_a6,
     author = {I. D. Shkredov},
     title = {Dynamical systems with low recurrence rate},
     journal = {Sbornik. Mathematics},
     pages = {1697--1712},
     publisher = {mathdoc},
     volume = {197},
     number = {11},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2006_197_11_a6/}
}