Pointwise ergodic theorems for arithmetic sets
Publications Mathématiques de l'IHÉS, Volume 69  (1989), p. 5-41
@article{PMIHES_1989__69__5_0,
author = {Bourgain, Jean},
title = {Pointwise ergodic theorems for arithmetic sets},
journal = {Publications Math\'ematiques de l'IH\'ES},
publisher = {Institut des Hautes \'Etudes Scientifiques},
volume = {69},
year = {1989},
pages = {5-41},
zbl = {0705.28008},
mrnumber = {90k:28030},
language = {en},
url = {http://www.numdam.org/item/PMIHES_1989__69__5_0}
}

Bourgain, Jean. Pointwise ergodic theorems for arithmetic sets. Publications Mathématiques de l'IHÉS, Volume 69 (1989) , pp. 5-41. http://www.numdam.org/item/PMIHES_1989__69__5_0/