%0 Journal Article %A Klaus Roggenkamp %T Cohen-Macaulay modules over two-dimensional graph orders %J Colloquium Mathematicum %D 1999 %P 25-48 %V 82 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-82-1-25-48/ %R 10.4064/cm-82-1-25-48 %G en %F 10_4064_cm_82_1_25_48