HERMAN, Richard H. The centralizer under tensor product. Mathematica Scandinavica, Berkeley, CA, United States, v. 36, p. 286–290, 1975. DOI: 10.7146/math.scand.a-11578. Disponível em: https://journals.msp.org/mscand/article/view/2039. Acesso em: 25 jul. 2026.