Puthenpurakal, Tony J. “A Function on the Set of Isomorphism Classes in the Stable Category of Maximal Cohen-Macaulay Modules over a Gorenstein Ring: With Applications to Liaison Theory”. MATHEMATICA SCANDINAVICA 120, no. 2 (May 27, 2017): 161–180. Accessed March 29, 2024. https://www.mscand.dk/article/view/25728.