%0 Journal Article %A Giordano, Thierry %A Matui, Hiroki %A Putnam, Ian %A Skau, Christian %T Orbit equivalence for Cantor minimal ℤ²-systems %J Journal of the American Mathematical Society %D 2008 %P 863-892 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00595-X/ %R 10.1090/S0894-0347-08-00595-X %F 10_1090_S0894_0347_08_00595_X