GODOY, T.; SAAL, L. On the spectrum of the generalized Gelfand pair $(u(p,q), h_{n})$, $p+q=n$. MATHEMATICA SCANDINAVICA, [S. l.], v. 105, n. 2, p. 171–187, 2009. DOI: 10.7146/math.scand.a-15113. Disponível em: https://www.mscand.dk/article/view/15113. Acesso em: 5 may. 2024.