HREINSDÓTTIR, F. The Koszul dual of the ring of three commuting matrices. MATHEMATICA SCANDINAVICA, [S. l.], v. 87, n. 2, p. 161–199, 2000. DOI: 10.7146/math.scand.a-14304. Disponível em: https://www.mscand.dk/article/view/14304. Acesso em: 3 may. 2024.