TENGSTRAND, A. Distributions Invariant under an Orthogonal Group of Arbitrary Signature. MATHEMATICA SCANDINAVICA, [S. l.], v. 8, p. 201–218, 1960. DOI: 10.7146/math.scand.a-10610. Disponível em: https://www.mscand.dk/article/view/10610. Acesso em: 28 apr. 2024.