PÉREZ-GARCÍA, David; VILLANUEVA, Ignacio. Unconditional bases in tensor products of Hilbert spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 96, n. 2, p. 280–288, 2005. DOI: 10.7146/math.scand.a-14957. Disponível em: https://tidsskrift.dk/math/article/view/14957. Acesso em: 14 aug. 2026.