1. Graded algebras of global dimension 3;Artin;Adv. Math.,1987
2. Reflexive modules over rational double points;Artin;Math. Ann.,1985
3. Coherent functors;Auslander,1966
4. Functors and morphisms determined by objects;Auslander,1978
5. Isolated singularities and existence of almost split sequences;Auslander,1986