%0 Journal Article %A Matui, Hiroki %T Ext and OrderExt Classes of Certain Automorphisms of C*-Algebras Arising from Cantor Minimal Systems %J Canadian journal of mathematics %D 2001 %P 325-354 %V 53 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2001-014-9/ %R 10.4153/CJM-2001-014-9 %F 10_4153_CJM_2001_014_9