1. Isolated singularities and the existence of almost split sequences;Auslander,1986
2. Cohen–Macaulay modules on hypersurface singularities, II;Buchweitz;Invent. Math.,1987
3. Cohen–Macaulay Rings;Bruns,1993
4. One-dimensional rings of finite representation type;Cimen,1995
5. A note on the index of Cohen–Macaulay local rings;Ding;Comm. Algebra,1993