%0 Journal Article %A Yosuke Sakai %T An elementary exact sequence of modules with an application to tiled orders %J Colloquium Mathematicum %D 2008 %P 307-318 %V 113 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm113-2-11/ %R 10.4064/cm113-2-11 %G en %F 10_4064_cm113_2_11