WALTER, M. E. Convolution on the reduced dual of a locally compact group. MATHEMATICA SCANDINAVICA, [S. l.], v. 37, p. 145–166, 1975. DOI: 10.7146/math.scand.a-11597. Disponível em: https://www.mscand.dk/article/view/11597. Acesso em: 2 may. 2024.