Gluing Cohen-Macaulay modules with applications to quasihomogeneous complete intersections with isolated singularities. Jürgen Herzog, A. Martsinkovsky (1993) Commentarii mathematici Helvetici
Gorenstein property and symmetry for one dimensional local Cohen-Macaulay rings. K. Kiyek, A. Compillo, F. Delgado (1994) Manuscripta mathematica