VRETARE, L. On a recurrence formula for elementary spherical functions on symmetric spaces and its applications to multipliers for the spherical Fourier transform. MATHEMATICA SCANDINAVICA, [S. l.], v. 41, p. 99–112, 1977. DOI: 10.7146/math.scand.a-11705. Disponível em: https://www.mscand.dk/article/view/11705. Acesso em: 3 may. 2024.