BJÖRNER, A.; HIBI, T. Betti numbers of Buchsbaum complexes. MATHEMATICA SCANDINAVICA, [S. l.], v. 67, p. 193–196, 1990. DOI: 10.7146/math.scand.a-12331. Disponível em: https://www.mscand.dk/article/view/12331. Acesso em: 23 nov. 2024.