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, Berkeley, CA, United States, v. 120, n. 2, p. 161–180, 2017. DOI: 10.7146/math.scand.a-25728. Disponível em: https://journals.msp.org/mscand/article/view/319. Acesso em: 24 jul. 2026.