BÖTTCHER, A.; OTTE, P. The first Szegö limit theorem for non-selfadjoint operators in the Følner algebra. MATHEMATICA SCANDINAVICA, [S. l.], v. 97, n. 1, p. 115–126, 2005. DOI: 10.7146/math.scand.a-14967. Disponível em: https://www.mscand.dk/article/view/14967. Acesso em: 2 may. 2024.