AHLFORS, L. V. Invariant operators and integral representations in hyperbolic space. MATHEMATICA SCANDINAVICA, [S. l.], v. 36, p. 27–43, 1975. DOI: 10.7146/math.scand.a-11560. Disponível em: https://www.mscand.dk/article/view/11560. Acesso em: 4 may. 2024.