CASNATI, Gianfranco; GALLUZZI, Federica. Stability of rank two Ulrich bundles on projective $K3$ surfaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 122, n. 2, p. 239–256, 2018. DOI: 10.7146/math.scand.a-101999. Disponível em: https://journals.msp.org/mscand/article/view/280. Acesso em: 24 jul. 2026.