%0 Journal Article %A Lasha Ephremidze %T On the uniqueness of the ergodic maximal function %J Fundamenta Mathematicae %D 2002 %P 217-228 %V 174 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm174-3-2/ %R 10.4064/fm174-3-2 %G en %F 10_4064_fm174_3_2