%0 Journal Article %A Yitwah Cheung %A Michael Boshernitzan %T Hausdorff dimension of the set of nonergodic directions (with an Appendix by M. Boshernitzan) %J Annals of mathematics %D 2003 %P 661-678 %V 158 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2003.158.661/ %R 10.4007/annals.2003.158.661 %G en %F 10_4007_annals_2003_158_661