%0 Journal Article %A Yuqing Zhang %T Ergodicity of $\mathbb Z^2$ extensions of irrational rotations %J Studia Mathematica %D 2011 %P 235-246 %V 204 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm204-3-3/ %R 10.4064/sm204-3-3 %G en %F 10_4064_sm204_3_3