SEGAL, I. E. Transforms for Operators and Symplectic Automorphisms over a Locally Compact Abelian Group. Mathematica Scandinavica, Berkeley, CA, United States, v. 13, p. 31–43, 1963. DOI: 10.7146/math.scand.a-10686. Disponível em: https://journals.msp.org/mscand/article/view/2638. Acesso em: 25 jul. 2026.