DEY, S.; GHOSH, D. Complexity and rigidity of Ulrich modules, and some applications. MATHEMATICA SCANDINAVICA, [S. l.], v. 129, n. 2, 2023. DOI: 10.7146/math.scand.a-136499. Disponível em: https://www.mscand.dk/article/view/136499. Acesso em: 21 nov. 2024.