VRETARE, Lars. On $L_p$ Fourier multipliers on certain symmetric spaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 37, p. 111–121, 1975. DOI: 10.7146/math.scand.a-11593. Disponível em: https://journals.msp.org/mscand/article/view/2080. Acesso em: 25 jul. 2026.