%0 Journal Article %A Cuny, Christophe %T Some optimal pointwise ergodic theorems with rate %J Comptes Rendus. Mathématique %D 2009 %P 953-958 %V 347 %N 15-16 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2009.04.034/ %R 10.1016/j.crma.2009.04.034 %G en %F CRMATH_2009__347_15-16_953_0