%0 Journal Article %A A. Kłopotowski %A M. G. Nadkarni %A H. Sarbadhikari %A S. M. Srivastava %T Sets with doubleton sections, good sets and ergodic theory %J Fundamenta Mathematicae %D 2002 %P 133-158 %V 173 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm173-2-3/ %R 10.4064/fm173-2-3 %G en %F 10_4064_fm173_2_3