HUGHES, M. T.; JORGENSEN, D. A.; SEGA, L. M. Acyclic complexes of finitely generated free modules over local rings. MATHEMATICA SCANDINAVICA, [S. l.], v. 105, n. 1, p. 85–98, 2009. DOI: 10.7146/math.scand.a-15107. Disponível em: https://www.mscand.dk/article/view/15107. Acesso em: 23 nov. 2024.