TOMIYAMA, Jun. Primitive Ideals in Tensor Products of Banach Algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 30, p. 257–262, 1972. DOI: 10.7146/math.scand.a-11081. Disponível em: https://journals.msp.org/mscand/article/view/2245. Acesso em: 25 jul. 2026.