FOXBY, H.- bjorn. On the $\mu^i$ in a Minimal Injective Resolution. MATHEMATICA SCANDINAVICA, [S. l.], v. 29, p. 175–186, 1971. DOI: 10.7146/math.scand.a-11043. Disponível em: https://www.mscand.dk/article/view/11043. Acesso em: 24 nov. 2024.