BELLISARD, J.; IOCHUM, B. Spectral theory for facially homogenous symmetric self-dual cones. MATHEMATICA SCANDINAVICA, [S. l.], v. 45, p. 118–126, 1979. DOI: 10.7146/math.scand.a-11829. Disponível em: https://www.mscand.dk/article/view/11829. Acesso em: 29 apr. 2024.