LÖFSTRÖM, Jörgen. A non-existence theorem for translation invariant operators on weighted $L_p$-spaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 53, p. 88–96, 1983. DOI: 10.7146/math.scand.a-12018. Disponível em: https://journals.msp.org/mscand/article/view/1646. Acesso em: 25 jul. 2026.